17984855

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 25740288

約数和(自身を除く): 7755433

約数列:

[1, 5, 7, 35, 41, 83, 151, 205, 287, 415, 581, 755, 1057, 1435, 2905, 3403, 5285, 6191, 12533, 17015, 23821, 30955, 43337, 62665, 87731, 119105, 216685, 438655, 513853, 2569265, 3596971, 17984855]

約数ペア:

[(1, 17984855), (5, 3596971), (7, 2569265), (35, 513853), (41, 438655), (83, 216685), (151, 119105), (205, 87731), (287, 62665), (415, 43337), (581, 30955), (755, 23821), (1057, 17015), (1435, 12533), (2905, 6191), (3403, 5285)]