81967115

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{4211}}^1$

素因数の和:4462

約数の個数: 16

約数和(自身を含む): 104626080

約数和(自身を除く): 22658965

約数列:

[1, 5, 17, 85, 229, 1145, 3893, 4211, 19465, 21055, 71587, 357935, 964319, 4821595, 16393423, 81967115]

約数ペア:

[(1, 81967115), (5, 16393423), (17, 4821595), (85, 964319), (229, 357935), (1145, 71587), (3893, 21055), (4211, 19465)]