215537305

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 280433664

約数和(自身を除く): 64896359

約数列:

[1, 5, 17, 83, 85, 137, 223, 415, 685, 1115, 1411, 2329, 3791, 7055, 11371, 11645, 18509, 18955, 30551, 56855, 92545, 152755, 193307, 314653, 519367, 966535, 1573265, 2535733, 2596835, 12678665, 43107461, 215537305]

約数ペア:

[(1, 215537305), (5, 43107461), (17, 12678665), (83, 2596835), (85, 2535733), (137, 1573265), (223, 966535), (415, 519367), (685, 314653), (1115, 193307), (1411, 152755), (2329, 92545), (3791, 56855), (7055, 30551), (11371, 18955), (11645, 18509)]