4400080587

素因数分解:

$3^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{617}}^1$

素因数の和:897

約数の個数: 72

約数和(自身を含む): 7524837216

約数和(自身を除く): 3124756629

約数列:

[1, 3, 7, 9, 21, 49, 63, 103, 147, 157, 309, 441, 471, 617, 721, 927, 1099, 1413, 1851, 2163, 3297, 4319, 5047, 5553, 6489, 7693, 9891, 12957, 15141, 16171, 23079, 30233, 38871, 45423, 48513, 63551, 69237, 90699, 96869, 113197, 145539, 190653, 272097, 290607, 339591, 444857, 571959, 678083, 792379, 871821, 1018773, 1334571, 2034249, 2377137, 3113999, 4003713, 4746581, 6102747, 7131411, 9341997, 9977507, 14239743, 28025991, 29932521, 42719229, 69842549, 89797563, 209527647, 488897843, 628582941, 1466693529, 4400080587]

約数ペア:

[(1, 4400080587), (3, 1466693529), (7, 628582941), (9, 488897843), (21, 209527647), (49, 89797563), (63, 69842549), (103, 42719229), (147, 29932521), (157, 28025991), (309, 14239743), (441, 9977507), (471, 9341997), (617, 7131411), (721, 6102747), (927, 4746581), (1099, 4003713), (1413, 3113999), (1851, 2377137), (2163, 2034249), (3297, 1334571), (4319, 1018773), (5047, 871821), (5553, 792379), (6489, 678083), (7693, 571959), (9891, 444857), (12957, 339591), (15141, 290607), (16171, 272097), (23079, 190653), (30233, 145539), (38871, 113197), (45423, 96869), (48513, 90699), (63551, 69237)]