258907507775

素因数分解:

$5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1\times {\mathrm{60217}}^1$

素因数の和:60624

約数の個数: 48

約数和(自身を含む): 372754237440

約数和(自身を除く): 113846729665

約数列:

[1, 5, 7, 25, 35, 79, 175, 311, 395, 553, 1555, 1975, 2177, 2765, 7775, 10885, 13825, 24569, 54425, 60217, 122845, 171983, 301085, 421519, 614225, 859915, 1505425, 2107595, 4299575, 4757143, 10537975, 18727487, 23785715, 33300001, 93637435, 118928575, 131092409, 166500005, 468187175, 655462045, 832500025, 1479471473, 3277310225, 7397357365, 10356300311, 36986786825, 51781501555, 258907507775]

約数ペア:

[(1, 258907507775), (5, 51781501555), (7, 36986786825), (25, 10356300311), (35, 7397357365), (79, 3277310225), (175, 1479471473), (311, 832500025), (395, 655462045), (553, 468187175), (1555, 166500005), (1975, 131092409), (2177, 118928575), (2765, 93637435), (7775, 33300001), (10885, 23785715), (13825, 18727487), (24569, 10537975), (54425, 4757143), (60217, 4299575), (122845, 2107595), (171983, 1505425), (301085, 859915), (421519, 614225)]