393633385

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 554273280

約数和(自身を除く): 160639895

約数列:

[1, 5, 17, 23, 29, 53, 85, 115, 131, 145, 265, 391, 493, 655, 667, 901, 1219, 1537, 1955, 2227, 2465, 3013, 3335, 3799, 4505, 6095, 6943, 7685, 11135, 11339, 15065, 18995, 20723, 26129, 34715, 35351, 51221, 56695, 64583, 87377, 103615, 118031, 130645, 159689, 176755, 201347, 256105, 322915, 436885, 590155, 600967, 798445, 1006735, 1485409, 2714713, 3004835, 3422899, 4630981, 7427045, 13573565, 17114495, 23154905, 78726677, 393633385]

約数ペア:

[(1, 393633385), (5, 78726677), (17, 23154905), (23, 17114495), (29, 13573565), (53, 7427045), (85, 4630981), (115, 3422899), (131, 3004835), (145, 2714713), (265, 1485409), (391, 1006735), (493, 798445), (655, 600967), (667, 590155), (901, 436885), (1219, 322915), (1537, 256105), (1955, 201347), (2227, 176755), (2465, 159689), (3013, 130645), (3335, 118031), (3799, 103615), (4505, 87377), (6095, 64583), (6943, 56695), (7685, 51221), (11135, 35351), (11339, 34715), (15065, 26129), (18995, 20723)]