28377895

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1327}}^1$

素因数の和:1399

約数の個数: 32

約数和(自身を含む): 42835968

約数和(自身を除く): 14458073

約数列:

[1, 5, 7, 13, 35, 47, 65, 91, 235, 329, 455, 611, 1327, 1645, 3055, 4277, 6635, 9289, 17251, 21385, 46445, 62369, 86255, 120757, 311845, 436583, 603785, 810797, 2182915, 4053985, 5675579, 28377895]

約数ペア:

[(1, 28377895), (5, 5675579), (7, 4053985), (13, 2182915), (35, 810797), (47, 603785), (65, 436583), (91, 311845), (235, 120757), (329, 86255), (455, 62369), (611, 46445), (1327, 21385), (1645, 17251), (3055, 9289), (4277, 6635)]