3993470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:189

約数の個数: 48

約数和(自身を含む): 8300880

約数和(自身を除く): 4307410

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 139, 169, 170, 221, 278, 338, 442, 695, 845, 1105, 1390, 1690, 1807, 2210, 2363, 2873, 3614, 4726, 5746, 9035, 11815, 14365, 18070, 23491, 23630, 28730, 30719, 46982, 61438, 117455, 153595, 234910, 307190, 399347, 798694, 1996735, 3993470]

約数ペア:

[(1, 3993470), (2, 1996735), (5, 798694), (10, 399347), (13, 307190), (17, 234910), (26, 153595), (34, 117455), (65, 61438), (85, 46982), (130, 30719), (139, 28730), (169, 23630), (170, 23491), (221, 18070), (278, 14365), (338, 11815), (442, 9035), (695, 5746), (845, 4726), (1105, 3614), (1390, 2873), (1690, 2363), (1807, 2210)]