161901468

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{607}}^1$

素因数の和:887

約数の個数: 72

約数和(自身を含む): 424919040

約数和(自身を除く): 263017572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 239, 279, 372, 478, 558, 607, 717, 956, 1116, 1214, 1434, 1821, 2151, 2428, 2868, 3642, 4302, 5463, 7284, 7409, 8604, 10926, 14818, 18817, 21852, 22227, 29636, 37634, 44454, 56451, 66681, 75268, 88908, 112902, 133362, 145073, 169353, 225804, 266724, 290146, 338706, 435219, 580292, 677412, 870438, 1305657, 1740876, 2611314, 4497263, 5222628, 8994526, 13491789, 17989052, 26983578, 40475367, 53967156, 80950734, 161901468]

約数ペア:

[(1, 161901468), (2, 80950734), (3, 53967156), (4, 40475367), (6, 26983578), (9, 17989052), (12, 13491789), (18, 8994526), (31, 5222628), (36, 4497263), (62, 2611314), (93, 1740876), (124, 1305657), (186, 870438), (239, 677412), (279, 580292), (372, 435219), (478, 338706), (558, 290146), (607, 266724), (717, 225804), (956, 169353), (1116, 145073), (1214, 133362), (1434, 112902), (1821, 88908), (2151, 75268), (2428, 66681), (2868, 56451), (3642, 44454), (4302, 37634), (5463, 29636), (7284, 22227), (7409, 21852), (8604, 18817), (10926, 14818)]