245737583

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{457}}^1$

素因数の和:807

約数の個数: 32

約数和(自身を含む): 320087040

約数和(自身を除く): 74349457

約数列:

[1, 7, 13, 19, 91, 133, 247, 311, 457, 1729, 2177, 3199, 4043, 5909, 5941, 8683, 28301, 41363, 41587, 60781, 76817, 112879, 142127, 537719, 790153, 994889, 1847651, 2700413, 12933557, 18902891, 35105369, 245737583]

約数ペア:

[(1, 245737583), (7, 35105369), (13, 18902891), (19, 12933557), (91, 2700413), (133, 1847651), (247, 994889), (311, 790153), (457, 537719), (1729, 142127), (2177, 112879), (3199, 76817), (4043, 60781), (5909, 41587), (5941, 41363), (8683, 28301)]