259749304

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 539136000

約数和(自身を除く): 279386696

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 152, 184, 191, 382, 389, 437, 764, 778, 874, 1528, 1556, 1748, 3112, 3496, 3629, 4393, 7258, 7391, 8786, 8947, 14516, 14782, 17572, 17894, 29032, 29564, 35144, 35788, 59128, 71576, 74299, 83467, 148598, 166934, 169993, 297196, 333868, 339986, 594392, 667736, 679972, 1359944, 1411681, 1708877, 2823362, 3417754, 5646724, 6835508, 11293448, 13671016, 32468663, 64937326, 129874652, 259749304]

約数ペア:

[(1, 259749304), (2, 129874652), (4, 64937326), (8, 32468663), (19, 13671016), (23, 11293448), (38, 6835508), (46, 5646724), (76, 3417754), (92, 2823362), (152, 1708877), (184, 1411681), (191, 1359944), (382, 679972), (389, 667736), (437, 594392), (764, 339986), (778, 333868), (874, 297196), (1528, 169993), (1556, 166934), (1748, 148598), (3112, 83467), (3496, 74299), (3629, 71576), (4393, 59128), (7258, 35788), (7391, 35144), (8786, 29564), (8947, 29032), (14516, 17894), (14782, 17572)]