638204118770

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1039}}^1\times {\mathrm{291113}}^1$

素因数の和:292370

約数の個数: 32

約数和(自身を含む): 1155326664960

約数和(自身を除く): 517122546190

約数列:

[1, 2, 5, 10, 211, 422, 1039, 1055, 2078, 2110, 5195, 10390, 219229, 291113, 438458, 582226, 1096145, 1455565, 2192290, 2911130, 61424843, 122849686, 302466407, 307124215, 604932814, 614248430, 1512332035, 3024664070, 63820411877, 127640823754, 319102059385, 638204118770]

約数ペア:

[(1, 638204118770), (2, 319102059385), (5, 127640823754), (10, 63820411877), (211, 3024664070), (422, 1512332035), (1039, 614248430), (1055, 604932814), (2078, 307124215), (2110, 302466407), (5195, 122849686), (10390, 61424843), (219229, 2911130), (291113, 2192290), (438458, 1455565), (582226, 1096145)]