1680218735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{18637}}^1$

素因数の和:18747

約数の個数: 32

約数和(自身を含む): 2317076160

約数和(自身を除く): 636857425

約数列:

[1, 5, 13, 19, 65, 73, 95, 247, 365, 949, 1235, 1387, 4745, 6935, 18031, 18637, 90155, 93185, 242281, 354103, 1211405, 1360501, 1770515, 4603339, 6802505, 17686513, 23016695, 25849519, 88432565, 129247595, 336043747, 1680218735]

約数ペア:

[(1, 1680218735), (5, 336043747), (13, 129247595), (19, 88432565), (65, 25849519), (73, 23016695), (95, 17686513), (247, 6802505), (365, 4603339), (949, 1770515), (1235, 1360501), (1387, 1211405), (4745, 354103), (6935, 242281), (18031, 93185), (18637, 90155)]