256475396

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{47743}}^1$

素因数の和:47843

約数の個数: 24

約数和(自身を含む): 481259520

約数和(自身を除く): 224784124

約数列:

[1, 2, 4, 17, 34, 68, 79, 158, 316, 1343, 2686, 5372, 47743, 95486, 190972, 811631, 1623262, 3246524, 3771697, 7543394, 15086788, 64118849, 128237698, 256475396]

約数ペア:

[(1, 256475396), (2, 128237698), (4, 64118849), (17, 15086788), (34, 7543394), (68, 3771697), (79, 3246524), (158, 1623262), (316, 811631), (1343, 190972), (2686, 95486), (5372, 47743)]