128976365

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 193100544

約数和(自身を除く): 64124179

約数列:

[1, 5, 7, 17, 35, 41, 85, 119, 205, 287, 289, 311, 595, 697, 1435, 1445, 1555, 2023, 2177, 3485, 4879, 5287, 10115, 10885, 11849, 12751, 24395, 26435, 37009, 59245, 63755, 82943, 89257, 89879, 185045, 216767, 414715, 446285, 449395, 629153, 1083835, 1517369, 3145765, 3685039, 7586845, 18425195, 25795273, 128976365]

約数ペア:

[(1, 128976365), (5, 25795273), (7, 18425195), (17, 7586845), (35, 3685039), (41, 3145765), (85, 1517369), (119, 1083835), (205, 629153), (287, 449395), (289, 446285), (311, 414715), (595, 216767), (697, 185045), (1435, 89879), (1445, 89257), (1555, 82943), (2023, 63755), (2177, 59245), (3485, 37009), (4879, 26435), (5287, 24395), (10115, 12751), (10885, 11849)]