1657369870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1\times {\mathrm{439}}^1$

素因数の和:829

約数の個数: 64

約数和(自身を含む): 3261202560

約数和(自身を除く): 1603832690

約数列:

[1, 2, 5, 10, 13, 26, 65, 113, 130, 226, 257, 439, 514, 565, 878, 1130, 1285, 1469, 2195, 2570, 2938, 3341, 4390, 5707, 6682, 7345, 11414, 14690, 16705, 28535, 29041, 33410, 49607, 57070, 58082, 99214, 112823, 145205, 225646, 248035, 290410, 377533, 496070, 564115, 644891, 755066, 1128230, 1289782, 1466699, 1887665, 2933398, 3224455, 3775330, 6448910, 7333495, 12748999, 14666990, 25497998, 63744995, 127489990, 165736987, 331473974, 828684935, 1657369870]

約数ペア:

[(1, 1657369870), (2, 828684935), (5, 331473974), (10, 165736987), (13, 127489990), (26, 63744995), (65, 25497998), (113, 14666990), (130, 12748999), (226, 7333495), (257, 6448910), (439, 3775330), (514, 3224455), (565, 2933398), (878, 1887665), (1130, 1466699), (1285, 1289782), (1469, 1128230), (2195, 755066), (2570, 644891), (2938, 564115), (3341, 496070), (4390, 377533), (5707, 290410), (6682, 248035), (7345, 225646), (11414, 145205), (14690, 112823), (16705, 99214), (28535, 58082), (29041, 57070), (33410, 49607)]