217720535039

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1\times {\mathrm{12577}}^1$

素因数の和:13287

約数の個数: 32

約数和(自身を含む): 256934126592

約数和(自身を除く): 39213591553

約数列:

[1, 7, 61, 71, 427, 497, 571, 3997, 4331, 12577, 30317, 34831, 40541, 88039, 243817, 283787, 767197, 892967, 2473001, 5370379, 6250769, 7181467, 17311007, 50270269, 54470987, 381296909, 438069487, 509884157, 3066486409, 3569189099, 31102933577, 217720535039]

約数ペア:

[(1, 217720535039), (7, 31102933577), (61, 3569189099), (71, 3066486409), (427, 509884157), (497, 438069487), (571, 381296909), (3997, 54470987), (4331, 50270269), (12577, 17311007), (30317, 7181467), (34831, 6250769), (40541, 5370379), (88039, 2473001), (243817, 892967), (283787, 767197)]