1286890688

素因数分解:

$2^6\times {\mathrm{211}}^1\times {\mathrm{233}}^1\times {\mathrm{409}}^1$

素因数の和:865

約数の個数: 56

約数和(自身を含む): 2583088560

約数和(自身を除く): 1296197872

約数列:

[1, 2, 4, 8, 16, 32, 64, 211, 233, 409, 422, 466, 818, 844, 932, 1636, 1688, 1864, 3272, 3376, 3728, 6544, 6752, 7456, 13088, 13504, 14912, 26176, 49163, 86299, 95297, 98326, 172598, 190594, 196652, 345196, 381188, 393304, 690392, 762376, 786608, 1380784, 1524752, 1573216, 2761568, 3049504, 3146432, 5523136, 6099008, 20107667, 40215334, 80430668, 160861336, 321722672, 643445344, 1286890688]

約数ペア:

[(1, 1286890688), (2, 643445344), (4, 321722672), (8, 160861336), (16, 80430668), (32, 40215334), (64, 20107667), (211, 6099008), (233, 5523136), (409, 3146432), (422, 3049504), (466, 2761568), (818, 1573216), (844, 1524752), (932, 1380784), (1636, 786608), (1688, 762376), (1864, 690392), (3272, 393304), (3376, 381188), (3728, 345196), (6544, 196652), (6752, 190594), (7456, 172598), (13088, 98326), (13504, 95297), (14912, 86299), (26176, 49163)]