212685431

素因数分解:

$7^2\times {\mathrm{149}}^1\times {\mathrm{29131}}^1$

素因数の和:29294

約数の個数: 12

約数和(自身を含む): 249078600

約数和(自身を除く): 36393169

約数列:

[1, 7, 49, 149, 1043, 7301, 29131, 203917, 1427419, 4340519, 30383633, 212685431]

約数ペア:

[(1, 212685431), (7, 30383633), (49, 4340519), (149, 1427419), (1043, 203917), (7301, 29131)]