61639864

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53881}}^1$

素因数の和:53911

約数の個数: 32

約数和(自身を含む): 135782640

約数和(自身を除く): 74142776

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 53881, 107762, 215524, 431048, 592691, 700453, 1185382, 1400906, 2370764, 2801812, 4741528, 5603624, 7704983, 15409966, 30819932, 61639864]

約数ペア:

[(1, 61639864), (2, 30819932), (4, 15409966), (8, 7704983), (11, 5603624), (13, 4741528), (22, 2801812), (26, 2370764), (44, 1400906), (52, 1185382), (88, 700453), (104, 592691), (143, 431048), (286, 215524), (572, 107762), (1144, 53881)]