137931472

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:249

約数の個数: 120

約数和(自身を含む): 335871360

約数和(自身を除く): 197939888

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 49, 56, 68, 79, 98, 112, 119, 131, 136, 158, 196, 238, 262, 272, 316, 392, 476, 524, 553, 632, 784, 833, 917, 952, 1048, 1106, 1264, 1343, 1666, 1834, 1904, 2096, 2212, 2227, 2686, 3332, 3668, 3871, 4424, 4454, 5372, 6419, 6664, 7336, 7742, 8848, 8908, 9401, 10349, 10744, 12838, 13328, 14672, 15484, 15589, 17816, 18802, 20698, 21488, 25676, 30968, 31178, 35632, 37604, 41396, 51352, 61936, 62356, 65807, 72443, 75208, 82792, 102704, 109123, 124712, 131614, 144886, 150416, 165584, 175933, 218246, 249424, 263228, 289772, 351866, 436492, 507101, 526456, 579544, 703732, 872984, 1014202, 1052912, 1159088, 1231531, 1407464, 1745968, 2028404, 2463062, 2814928, 4056808, 4926124, 8113616, 8620717, 9852248, 17241434, 19704496, 34482868, 68965736, 137931472]

約数ペア:

[(1, 137931472), (2, 68965736), (4, 34482868), (7, 19704496), (8, 17241434), (14, 9852248), (16, 8620717), (17, 8113616), (28, 4926124), (34, 4056808), (49, 2814928), (56, 2463062), (68, 2028404), (79, 1745968), (98, 1407464), (112, 1231531), (119, 1159088), (131, 1052912), (136, 1014202), (158, 872984), (196, 703732), (238, 579544), (262, 526456), (272, 507101), (316, 436492), (392, 351866), (476, 289772), (524, 263228), (553, 249424), (632, 218246), (784, 175933), (833, 165584), (917, 150416), (952, 144886), (1048, 131614), (1106, 124712), (1264, 109123), (1343, 102704), (1666, 82792), (1834, 75208), (1904, 72443), (2096, 65807), (2212, 62356), (2227, 61936), (2686, 51352), (3332, 41396), (3668, 37604), (3871, 35632), (4424, 31178), (4454, 30968), (5372, 25676), (6419, 21488), (6664, 20698), (7336, 18802), (7742, 17816), (8848, 15589), (8908, 15484), (9401, 14672), (10349, 13328), (10744, 12838)]