256479756

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{3797}}^1$

素因数の和:4250

約数の個数: 48

約数和(自身を含む): 646146144

約数和(自身を除く): 389666388

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 433, 866, 1299, 1732, 2598, 3797, 5196, 5629, 7594, 11258, 11391, 15188, 16887, 22516, 22782, 33774, 45564, 49361, 67548, 98722, 148083, 197444, 296166, 592332, 1644101, 3288202, 4932303, 6576404, 9864606, 19729212, 21373313, 42746626, 64119939, 85493252, 128239878, 256479756]

約数ペア:

[(1, 256479756), (2, 128239878), (3, 85493252), (4, 64119939), (6, 42746626), (12, 21373313), (13, 19729212), (26, 9864606), (39, 6576404), (52, 4932303), (78, 3288202), (156, 1644101), (433, 592332), (866, 296166), (1299, 197444), (1732, 148083), (2598, 98722), (3797, 67548), (5196, 49361), (5629, 45564), (7594, 33774), (11258, 22782), (11391, 22516), (15188, 16887)]