81972430

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{112291}}^1$

素因数の和:112371

約数の個数: 16

約数和(自身を含む): 149572944

約数和(自身を除く): 67600514

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 112291, 224582, 561455, 1122910, 8197243, 16394486, 40986215, 81972430]

約数ペア:

[(1, 81972430), (2, 40986215), (5, 16394486), (10, 8197243), (73, 1122910), (146, 561455), (365, 224582), (730, 112291)]