405360488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1637}}^1\times {\mathrm{2381}}^1$

素因数の和:4037

約数の個数: 32

約数和(自身を含む): 819360360

約数和(自身を除く): 413999872

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1637, 2381, 3274, 4762, 6548, 9524, 13096, 19048, 21281, 30953, 42562, 61906, 85124, 123812, 170248, 247624, 3897697, 7795394, 15590788, 31181576, 50670061, 101340122, 202680244, 405360488]

約数ペア:

[(1, 405360488), (2, 202680244), (4, 101340122), (8, 50670061), (13, 31181576), (26, 15590788), (52, 7795394), (104, 3897697), (1637, 247624), (2381, 170248), (3274, 123812), (4762, 85124), (6548, 61906), (9524, 42562), (13096, 30953), (19048, 21281)]