31089968

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:322

約数の個数: 80

約数和(自身を含む): 75161856

約数和(自身を除く): 44071888

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 131, 163, 182, 208, 262, 326, 364, 524, 652, 728, 917, 1048, 1141, 1304, 1456, 1703, 1834, 2096, 2119, 2282, 2608, 3406, 3668, 4238, 4564, 6812, 7336, 8476, 9128, 11921, 13624, 14672, 14833, 16952, 18256, 21353, 23842, 27248, 29666, 33904, 42706, 47684, 59332, 85412, 95368, 118664, 149471, 170824, 190736, 237328, 277589, 298942, 341648, 555178, 597884, 1110356, 1195768, 1943123, 2220712, 2391536, 3886246, 4441424, 7772492, 15544984, 31089968]

約数ペア:

[(1, 31089968), (2, 15544984), (4, 7772492), (7, 4441424), (8, 3886246), (13, 2391536), (14, 2220712), (16, 1943123), (26, 1195768), (28, 1110356), (52, 597884), (56, 555178), (91, 341648), (104, 298942), (112, 277589), (131, 237328), (163, 190736), (182, 170824), (208, 149471), (262, 118664), (326, 95368), (364, 85412), (524, 59332), (652, 47684), (728, 42706), (917, 33904), (1048, 29666), (1141, 27248), (1304, 23842), (1456, 21353), (1703, 18256), (1834, 16952), (2096, 14833), (2119, 14672), (2282, 13624), (2608, 11921), (3406, 9128), (3668, 8476), (4238, 7336), (4564, 6812)]