251952948

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:398

約数の個数: 144

約数和(自身を含む): 726485760

約数和(自身を除く): 474532812

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 89, 92, 117, 138, 156, 178, 207, 234, 263, 267, 276, 299, 356, 414, 468, 526, 534, 598, 789, 801, 828, 897, 1052, 1068, 1157, 1196, 1578, 1602, 1794, 2047, 2314, 2367, 2691, 3156, 3204, 3419, 3471, 3588, 4094, 4628, 4734, 5382, 6049, 6141, 6838, 6942, 8188, 9468, 10257, 10413, 10764, 12098, 12282, 13676, 13884, 18147, 18423, 20514, 20826, 23407, 24196, 24564, 26611, 30771, 36294, 36846, 41028, 41652, 46814, 53222, 54441, 61542, 70221, 72588, 73692, 78637, 79833, 93628, 106444, 108882, 123084, 140442, 157274, 159666, 210663, 217764, 235911, 239499, 280884, 304291, 314548, 319332, 421326, 471822, 478998, 538361, 608582, 707733, 842652, 912873, 943644, 957996, 1076722, 1217164, 1415466, 1615083, 1825746, 2153444, 2738619, 2830932, 3230166, 3651492, 4845249, 5477238, 6460332, 6998693, 9690498, 10954476, 13997386, 19380996, 20996079, 27994772, 41992158, 62988237, 83984316, 125976474, 251952948]

約数ペア:

[(1, 251952948), (2, 125976474), (3, 83984316), (4, 62988237), (6, 41992158), (9, 27994772), (12, 20996079), (13, 19380996), (18, 13997386), (23, 10954476), (26, 9690498), (36, 6998693), (39, 6460332), (46, 5477238), (52, 4845249), (69, 3651492), (78, 3230166), (89, 2830932), (92, 2738619), (117, 2153444), (138, 1825746), (156, 1615083), (178, 1415466), (207, 1217164), (234, 1076722), (263, 957996), (267, 943644), (276, 912873), (299, 842652), (356, 707733), (414, 608582), (468, 538361), (526, 478998), (534, 471822), (598, 421326), (789, 319332), (801, 314548), (828, 304291), (897, 280884), (1052, 239499), (1068, 235911), (1157, 217764), (1196, 210663), (1578, 159666), (1602, 157274), (1794, 140442), (2047, 123084), (2314, 108882), (2367, 106444), (2691, 93628), (3156, 79833), (3204, 78637), (3419, 73692), (3471, 72588), (3588, 70221), (4094, 61542), (4628, 54441), (4734, 53222), (5382, 46814), (6049, 41652), (6141, 41028), (6838, 36846), (6942, 36294), (8188, 30771), (9468, 26611), (10257, 24564), (10413, 24196), (10764, 23407), (12098, 20826), (12282, 20514), (13676, 18423), (13884, 18147)]