1211375090

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{289111}}^1$

素因数の和:289537

約数の個数: 16

約数和(自身を含む): 2185686720

約数和(自身を除く): 974311630

約数列:

[1, 2, 5, 10, 419, 838, 2095, 4190, 289111, 578222, 1445555, 2891110, 121137509, 242275018, 605687545, 1211375090]

約数ペア:

[(1, 1211375090), (2, 605687545), (5, 242275018), (10, 121137509), (419, 2891110), (838, 1445555), (2095, 578222), (4190, 289111)]