4405565

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:740

約数の個数: 16

約数和(自身を含む): 5592576

約数和(自身を除く): 1187011

約数列:

[1, 5, 31, 43, 155, 215, 661, 1333, 3305, 6665, 20491, 28423, 102455, 142115, 881113, 4405565]

約数ペア:

[(1, 4405565), (5, 881113), (31, 142115), (43, 102455), (155, 28423), (215, 20491), (661, 6665), (1333, 3305)]