28439450975

素因数分解:

$5^2\times {\mathrm{13}}^3\times {\mathrm{227}}^1\times {\mathrm{2281}}^1$

素因数の和:2557

約数の個数: 48

約数和(自身を含む): 38387438880

約数和(自身を除く): 9947987905

約数列:

[1, 5, 13, 25, 65, 169, 227, 325, 845, 1135, 2197, 2281, 2951, 4225, 5675, 10985, 11405, 14755, 29653, 38363, 54925, 57025, 73775, 148265, 191815, 385489, 498719, 517787, 741325, 959075, 1927445, 2493595, 2588935, 5011357, 6731231, 9637225, 12467975, 12944675, 25056785, 33656155, 87506003, 125283925, 168280775, 437530015, 1137578039, 2187650075, 5687890195, 28439450975]

約数ペア:

[(1, 28439450975), (5, 5687890195), (13, 2187650075), (25, 1137578039), (65, 437530015), (169, 168280775), (227, 125283925), (325, 87506003), (845, 33656155), (1135, 25056785), (2197, 12944675), (2281, 12467975), (2951, 9637225), (4225, 6731231), (5675, 5011357), (10985, 2588935), (11405, 2493595), (14755, 1927445), (29653, 959075), (38363, 741325), (54925, 517787), (57025, 498719), (73775, 385489), (148265, 191815)]