211778830

素因数分解:

$2^1\times 5^1\times {\mathrm{2503}}^1\times {\mathrm{8461}}^1$

素因数の和:10971

約数の個数: 16

約数和(自身を含む): 381399264

約数和(自身を除く): 169620434

約数列:

[1, 2, 5, 10, 2503, 5006, 8461, 12515, 16922, 25030, 42305, 84610, 21177883, 42355766, 105889415, 211778830]

約数ペア:

[(1, 211778830), (2, 105889415), (5, 42355766), (10, 21177883), (2503, 84610), (5006, 42305), (8461, 25030), (12515, 16922)]