313128815

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1\times {\mathrm{1693}}^1$

素因数の和:2290

約数の個数: 16

約数和(自身を含む): 382003776

約数和(自身を除く): 68874961

約数列:

[1, 5, 71, 355, 521, 1693, 2605, 8465, 36991, 120203, 184955, 601015, 882053, 4410265, 62625763, 313128815]

約数ペア:

[(1, 313128815), (5, 62625763), (71, 4410265), (355, 882053), (521, 601015), (1693, 184955), (2605, 120203), (8465, 36991)]