256817184

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{205783}}^1$

素因数の和:205809

約数の個数: 48

約数和(自身を含む): 726005952

約数和(自身を除く): 469188768

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 205783, 411566, 617349, 823132, 1234698, 1646264, 2469396, 2675179, 3292528, 4938792, 5350358, 6585056, 8025537, 9877584, 10700716, 16051074, 19755168, 21401432, 32102148, 42802864, 64204296, 85605728, 128408592, 256817184]

約数ペア:

[(1, 256817184), (2, 128408592), (3, 85605728), (4, 64204296), (6, 42802864), (8, 32102148), (12, 21401432), (13, 19755168), (16, 16051074), (24, 10700716), (26, 9877584), (32, 8025537), (39, 6585056), (48, 5350358), (52, 4938792), (78, 3292528), (96, 2675179), (104, 2469396), (156, 1646264), (208, 1234698), (312, 823132), (416, 617349), (624, 411566), (1248, 205783)]