1238721491

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1\times {\mathrm{6007}}^1$

素因数の和:6434

約数の個数: 16

約数和(自身を含む): 1436152320

約数和(自身を除く): 197430829

約数列:

[1, 7, 89, 331, 623, 2317, 6007, 29459, 42049, 206213, 534623, 1988317, 3742361, 13918219, 176960213, 1238721491]

約数ペア:

[(1, 1238721491), (7, 176960213), (89, 13918219), (331, 3742361), (623, 1988317), (2317, 534623), (6007, 206213), (29459, 42049)]