2021973985

素因数分解:

$5^1\times {\mathrm{127}}^1\times {\mathrm{1609}}^1\times {\mathrm{1979}}^1$

素因数の和:3720

約数の個数: 16

約数和(自身を含む): 2448230400

約数和(自身を除く): 426256415

約数列:

[1, 5, 127, 635, 1609, 1979, 8045, 9895, 204343, 251333, 1021715, 1256665, 3184211, 15921055, 404394797, 2021973985]

約数ペア:

[(1, 2021973985), (5, 404394797), (127, 15921055), (635, 3184211), (1609, 1256665), (1979, 1021715), (8045, 251333), (9895, 204343)]