87628456

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{2897}}^1$

素因数の和:3121

約数の個数: 32

約数和(自身を含む): 173880000

約数和(自身を除く): 86251544

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 199, 398, 796, 1592, 2897, 3781, 5794, 7562, 11588, 15124, 23176, 30248, 55043, 110086, 220172, 440344, 576503, 1153006, 2306012, 4612024, 10953557, 21907114, 43814228, 87628456]

約数ペア:

[(1, 87628456), (2, 43814228), (4, 21907114), (8, 10953557), (19, 4612024), (38, 2306012), (76, 1153006), (152, 576503), (199, 440344), (398, 220172), (796, 110086), (1592, 55043), (2897, 30248), (3781, 23176), (5794, 15124), (7562, 11588)]