253480356

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{373}}^1\times {\mathrm{439}}^1$

素因数の和:865

約数の個数: 72

約数和(自身を含む): 658898240

約数和(自身を除く): 405417884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 373, 387, 439, 516, 746, 774, 878, 1119, 1317, 1492, 1548, 1756, 2238, 2634, 3357, 3951, 4476, 5268, 6714, 7902, 13428, 15804, 16039, 18877, 32078, 37754, 48117, 56631, 64156, 75508, 96234, 113262, 144351, 163747, 169893, 192468, 226524, 288702, 327494, 339786, 491241, 577404, 654988, 679572, 982482, 1473723, 1964964, 2947446, 5894892, 7041121, 14082242, 21123363, 28164484, 42246726, 63370089, 84493452, 126740178, 253480356]

約数ペア:

[(1, 253480356), (2, 126740178), (3, 84493452), (4, 63370089), (6, 42246726), (9, 28164484), (12, 21123363), (18, 14082242), (36, 7041121), (43, 5894892), (86, 2947446), (129, 1964964), (172, 1473723), (258, 982482), (373, 679572), (387, 654988), (439, 577404), (516, 491241), (746, 339786), (774, 327494), (878, 288702), (1119, 226524), (1317, 192468), (1492, 169893), (1548, 163747), (1756, 144351), (2238, 113262), (2634, 96234), (3357, 75508), (3951, 64156), (4476, 56631), (5268, 48117), (6714, 37754), (7902, 32078), (13428, 18877), (15804, 16039)]