138200176

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{210671}}^1$

素因数の和:210720

約数の個数: 20

約数和(自身を含む): 274294944

約数和(自身を除く): 136094768

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 210671, 421342, 842684, 1685368, 3370736, 8637511, 17275022, 34550044, 69100088, 138200176]

約数ペア:

[(1, 138200176), (2, 69100088), (4, 34550044), (8, 17275022), (16, 8637511), (41, 3370736), (82, 1685368), (164, 842684), (328, 421342), (656, 210671)]