161901974312

素因数分解:

$2^3\times {\mathrm{13}}^3\times {\mathrm{439}}^1\times {\mathrm{20983}}^1$

素因数の和:21467

約数の個数: 64

約数和(自身を含む): 329616672000

約数和(自身を除く): 167714697688

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 439, 676, 878, 1352, 1756, 2197, 3512, 4394, 5707, 8788, 11414, 17576, 20983, 22828, 41966, 45656, 74191, 83932, 148382, 167864, 272779, 296764, 545558, 593528, 964483, 1091116, 1928966, 2182232, 3546127, 3857932, 7092254, 7715864, 9211537, 14184508, 18423074, 28369016, 36846148, 46099651, 73692296, 92199302, 119749981, 184398604, 239499962, 368797208, 478999924, 957999848, 1556749753, 3113499506, 6226999012, 12453998024, 20237746789, 40475493578, 80950987156, 161901974312]

約数ペア:

[(1, 161901974312), (2, 80950987156), (4, 40475493578), (8, 20237746789), (13, 12453998024), (26, 6226999012), (52, 3113499506), (104, 1556749753), (169, 957999848), (338, 478999924), (439, 368797208), (676, 239499962), (878, 184398604), (1352, 119749981), (1756, 92199302), (2197, 73692296), (3512, 46099651), (4394, 36846148), (5707, 28369016), (8788, 18423074), (11414, 14184508), (17576, 9211537), (20983, 7715864), (22828, 7092254), (41966, 3857932), (45656, 3546127), (74191, 2182232), (83932, 1928966), (148382, 1091116), (167864, 964483), (272779, 593528), (296764, 545558)]