128520676

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{317}}^1\times {\mathrm{1283}}^1$

素因数の和:1683

約数の個数: 24

約数和(自身を含む): 228654720

約数和(自身を除く): 100134044

約数列:

[1, 2, 4, 79, 158, 316, 317, 634, 1268, 1283, 2566, 5132, 25043, 50086, 100172, 101357, 202714, 405428, 406711, 813422, 1626844, 32130169, 64260338, 128520676]

約数ペア:

[(1, 128520676), (2, 64260338), (4, 32130169), (79, 1626844), (158, 813422), (316, 406711), (317, 405428), (634, 202714), (1268, 101357), (1283, 100172), (2566, 50086), (5132, 25043)]