178756812

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{13171}}^1$

素因数の和:13223

約数の個数: 72

約数和(自身を含む): 503433840

約数和(自身を除く): 324677028

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 36, 39, 52, 58, 78, 87, 116, 117, 156, 174, 234, 261, 348, 377, 468, 522, 754, 1044, 1131, 1508, 2262, 3393, 4524, 6786, 13171, 13572, 26342, 39513, 52684, 79026, 118539, 158052, 171223, 237078, 342446, 381959, 474156, 513669, 684892, 763918, 1027338, 1145877, 1527836, 1541007, 2054676, 2291754, 3082014, 3437631, 4583508, 4965467, 6164028, 6875262, 9930934, 13750524, 14896401, 19861868, 29792802, 44689203, 59585604, 89378406, 178756812]

約数ペア:

[(1, 178756812), (2, 89378406), (3, 59585604), (4, 44689203), (6, 29792802), (9, 19861868), (12, 14896401), (13, 13750524), (18, 9930934), (26, 6875262), (29, 6164028), (36, 4965467), (39, 4583508), (52, 3437631), (58, 3082014), (78, 2291754), (87, 2054676), (116, 1541007), (117, 1527836), (156, 1145877), (174, 1027338), (234, 763918), (261, 684892), (348, 513669), (377, 474156), (468, 381959), (522, 342446), (754, 237078), (1044, 171223), (1131, 158052), (1508, 118539), (2262, 79026), (3393, 52684), (4524, 39513), (6786, 26342), (13171, 13572)]