640011226

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1\times {\mathrm{9199}}^1$

素因数の和:10053

約数の個数: 16

約数和(自身を含む): 983664000

約数和(自身を除く): 343652774

約数列:

[1, 2, 43, 86, 809, 1618, 9199, 18398, 34787, 69574, 395557, 791114, 7441991, 14883982, 320005613, 640011226]

約数ペア:

[(1, 640011226), (2, 320005613), (43, 14883982), (86, 7441991), (809, 791114), (1618, 395557), (9199, 69574), (18398, 34787)]