251978984103

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{331}}^1\times {\mathrm{337}}^1$

素因数の和:834

約数の個数: 144

約数和(自身を含む): 435563261952

約数和(自身を除く): 183584277849

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 121, 127, 147, 231, 331, 337, 363, 381, 539, 847, 889, 993, 1011, 1397, 1617, 2317, 2359, 2541, 2667, 3641, 3707, 4191, 5929, 6223, 6951, 7077, 9779, 10923, 11121, 15367, 16219, 16513, 17787, 18669, 25487, 25949, 29337, 40051, 40777, 42037, 42799, 46101, 48657, 49539, 68453, 76461, 77847, 107569, 111547, 120153, 122331, 126111, 128397, 178409, 181643, 205359, 280357, 285439, 294259, 299593, 322707, 334641, 462407, 470789, 535227, 544929, 752983, 780829, 841071, 856317, 882777, 898779, 1227017, 1387221, 1412367, 1962499, 1998073, 2059813, 2097151, 2258949, 2342487, 3236849, 3295523, 3681051, 5086477, 5178679, 5465803, 5887497, 5994219, 6179439, 6291453, 8589119, 9710547, 9886569, 13497187, 14166469, 15259431, 15536037, 16397409, 22657943, 23068661, 25767357, 35605339, 36250753, 40491561, 42499407, 60123833, 67973829, 69205983, 94480309, 99165283, 106816017, 108752259, 155831159, 180371499, 249237373, 253755271, 283440927, 297495849, 467493477, 661362163, 694156981, 747712119, 761265813, 1090818113, 1714142749, 1984086489, 2082470943, 3272454339, 5142428247, 7635726791, 11998999243, 22907180373, 35996997729, 83992994701, 251978984103]

約数ペア:

[(1, 251978984103), (3, 83992994701), (7, 35996997729), (11, 22907180373), (21, 11998999243), (33, 7635726791), (49, 5142428247), (77, 3272454339), (121, 2082470943), (127, 1984086489), (147, 1714142749), (231, 1090818113), (331, 761265813), (337, 747712119), (363, 694156981), (381, 661362163), (539, 467493477), (847, 297495849), (889, 283440927), (993, 253755271), (1011, 249237373), (1397, 180371499), (1617, 155831159), (2317, 108752259), (2359, 106816017), (2541, 99165283), (2667, 94480309), (3641, 69205983), (3707, 67973829), (4191, 60123833), (5929, 42499407), (6223, 40491561), (6951, 36250753), (7077, 35605339), (9779, 25767357), (10923, 23068661), (11121, 22657943), (15367, 16397409), (16219, 15536037), (16513, 15259431), (17787, 14166469), (18669, 13497187), (25487, 9886569), (25949, 9710547), (29337, 8589119), (40051, 6291453), (40777, 6179439), (42037, 5994219), (42799, 5887497), (46101, 5465803), (48657, 5178679), (49539, 5086477), (68453, 3681051), (76461, 3295523), (77847, 3236849), (107569, 2342487), (111547, 2258949), (120153, 2097151), (122331, 2059813), (126111, 1998073), (128397, 1962499), (178409, 1412367), (181643, 1387221), (205359, 1227017), (280357, 898779), (285439, 882777), (294259, 856317), (299593, 841071), (322707, 780829), (334641, 752983), (462407, 544929), (470789, 535227)]