289171708

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 587059200

約数和(自身を除く): 297887492

約数列:

[1, 2, 4, 7, 14, 28, 139, 191, 278, 382, 389, 556, 764, 778, 973, 1337, 1556, 1946, 2674, 2723, 3892, 5348, 5446, 10892, 26549, 53098, 54071, 74299, 106196, 108142, 148598, 185843, 216284, 297196, 371686, 378497, 520093, 743372, 756994, 1040186, 1513988, 2080372, 10327561, 20655122, 41310244, 72292927, 144585854, 289171708]

約数ペア:

[(1, 289171708), (2, 144585854), (4, 72292927), (7, 41310244), (14, 20655122), (28, 10327561), (139, 2080372), (191, 1513988), (278, 1040186), (382, 756994), (389, 743372), (556, 520093), (764, 378497), (778, 371686), (973, 297196), (1337, 216284), (1556, 185843), (1946, 148598), (2674, 108142), (2723, 106196), (3892, 74299), (5348, 54071), (5446, 53098), (10892, 26549)]