1997974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{461}}^1$

素因数の和:671

約数の個数: 16

約数和(自身を含む): 3293136

約数和(自身を除く): 1295162

約数列:

[1, 2, 11, 22, 197, 394, 461, 922, 2167, 4334, 5071, 10142, 90817, 181634, 998987, 1997974]

約数ペア:

[(1, 1997974), (2, 998987), (11, 181634), (22, 90817), (197, 10142), (394, 5071), (461, 4334), (922, 2167)]