81351704

素因数分解:

$2^3\times 7^1\times {\mathrm{1452709}}^1$

素因数の和:1452722

約数の個数: 16

約数和(自身を含む): 174325200

約数和(自身を除く): 92973496

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1452709, 2905418, 5810836, 10168963, 11621672, 20337926, 40675852, 81351704]

約数ペア:

[(1, 81351704), (2, 40675852), (4, 20337926), (7, 11621672), (8, 10168963), (14, 5810836), (28, 2905418), (56, 1452709)]