221640170

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{418189}}^1$

素因数の和:418249

約数の個数: 16

約数和(自身を含む): 406480680

約数和(自身を除く): 184840510

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 418189, 836378, 2090945, 4181890, 22164017, 44328034, 110820085, 221640170]

約数ペア:

[(1, 221640170), (2, 110820085), (5, 44328034), (10, 22164017), (53, 4181890), (106, 2090945), (265, 836378), (530, 418189)]