291209641228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1987}}^1\times {\mathrm{90023}}^1$

素因数の和:92062

約数の個数: 48

約数和(自身を含む): 571264936704

約数和(自身を除く): 280055295476

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 1987, 3974, 7948, 21857, 43714, 73519, 87428, 90023, 147038, 180046, 294076, 360092, 808709, 990253, 1617418, 1980506, 3234836, 3330851, 3961012, 6661702, 13323404, 36639361, 73278722, 146557444, 178875701, 357751402, 715502804, 1967632711, 3935265422, 6618400937, 7870530844, 13236801874, 26473603748, 72802410307, 145604820614, 291209641228]

約数ペア:

[(1, 291209641228), (2, 145604820614), (4, 72802410307), (11, 26473603748), (22, 13236801874), (37, 7870530844), (44, 6618400937), (74, 3935265422), (148, 1967632711), (407, 715502804), (814, 357751402), (1628, 178875701), (1987, 146557444), (3974, 73278722), (7948, 36639361), (21857, 13323404), (43714, 6661702), (73519, 3961012), (87428, 3330851), (90023, 3234836), (147038, 1980506), (180046, 1617418), (294076, 990253), (360092, 808709)]