1280563684

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{379}}^1\times {\mathrm{9491}}^1$

素因数の和:9963

約数の個数: 24

約数和(自身を含む): 2272384800

約数和(自身を除く): 991821116

約数列:

[1, 2, 4, 89, 178, 356, 379, 758, 1516, 9491, 18982, 33731, 37964, 67462, 134924, 844699, 1689398, 3378796, 3597089, 7194178, 14388356, 320140921, 640281842, 1280563684]

約数ペア:

[(1, 1280563684), (2, 640281842), (4, 320140921), (89, 14388356), (178, 7194178), (356, 3597089), (379, 3378796), (758, 1689398), (1516, 844699), (9491, 134924), (18982, 67462), (33731, 37964)]