289045016

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163487}}^1$

素因数の和:163523

約数の個数: 32

約数和(自身を含む): 617984640

約数和(自身を除く): 328939624

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 163487, 326974, 653948, 1307896, 2125331, 2779279, 4250662, 5558558, 8501324, 11117116, 17002648, 22234232, 36130627, 72261254, 144522508, 289045016]

約数ペア:

[(1, 289045016), (2, 144522508), (4, 72261254), (8, 36130627), (13, 22234232), (17, 17002648), (26, 11117116), (34, 8501324), (52, 5558558), (68, 4250662), (104, 2779279), (136, 2125331), (221, 1307896), (442, 653948), (884, 326974), (1768, 163487)]