81081970

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{279593}}^1$

素因数の和:279629

約数の個数: 16

約数和(自身を含む): 150980760

約数和(自身を除く): 69898790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 279593, 559186, 1397965, 2795930, 8108197, 16216394, 40540985, 81081970]

約数ペア:

[(1, 81081970), (2, 40540985), (5, 16216394), (10, 8108197), (29, 2795930), (58, 1397965), (145, 559186), (290, 279593)]