71690918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 118540800

約数和(自身を除く): 46849882

約数列:

[1, 2, 13, 26, 83, 139, 166, 239, 278, 478, 1079, 1807, 2158, 3107, 3614, 6214, 11537, 19837, 23074, 33221, 39674, 66442, 149981, 257881, 299962, 431873, 515762, 863746, 2757343, 5514686, 35845459, 71690918]

約数ペア:

[(1, 71690918), (2, 35845459), (13, 5514686), (26, 2757343), (83, 863746), (139, 515762), (166, 431873), (239, 299962), (278, 257881), (478, 149981), (1079, 66442), (1807, 39674), (2158, 33221), (3107, 23074), (3614, 19837), (6214, 11537)]