43671472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{209959}}^1$

素因数の和:209980

約数の個数: 20

約数和(自身を含む): 91122640

約数和(自身を除く): 47451168

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 209959, 419918, 839836, 1679672, 2729467, 3359344, 5458934, 10917868, 21835736, 43671472]

約数ペア:

[(1, 43671472), (2, 21835736), (4, 10917868), (8, 5458934), (13, 3359344), (16, 2729467), (26, 1679672), (52, 839836), (104, 419918), (208, 209959)]