256752734

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{2503}}^1$

素因数の和:2960

約数の個数: 32

約数和(自身を含む): 467306496

約数和(自身を除く): 210553762

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 431, 862, 2503, 3017, 5006, 6034, 7327, 14654, 17521, 35042, 42551, 51289, 85102, 102578, 297857, 595714, 1078793, 2157586, 7551551, 15103102, 18339481, 36678962, 128376367, 256752734]

約数ペア:

[(1, 256752734), (2, 128376367), (7, 36678962), (14, 18339481), (17, 15103102), (34, 7551551), (119, 2157586), (238, 1078793), (431, 595714), (862, 297857), (2503, 102578), (3017, 85102), (5006, 51289), (6034, 42551), (7327, 35042), (14654, 17521)]