156720496

素因数分解:

$2^4\times {\mathrm{487}}^1\times {\mathrm{20113}}^1$

素因数の和:20608

約数の個数: 20

約数和(自身を含む): 304284592

約数和(自身を除く): 147564096

約数列:

[1, 2, 4, 8, 16, 487, 974, 1948, 3896, 7792, 20113, 40226, 80452, 160904, 321808, 9795031, 19590062, 39180124, 78360248, 156720496]

約数ペア:

[(1, 156720496), (2, 78360248), (4, 39180124), (8, 19590062), (16, 9795031), (487, 321808), (974, 160904), (1948, 80452), (3896, 40226), (7792, 20113)]