25917112

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 56337120

約数和(自身を除く): 30420008

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 107, 136, 137, 214, 221, 274, 428, 442, 548, 856, 884, 1096, 1391, 1768, 1781, 1819, 2329, 2782, 3562, 3638, 4658, 5564, 7124, 7276, 9316, 11128, 14248, 14552, 14659, 18632, 23647, 29318, 30277, 47294, 58636, 60554, 94588, 117272, 121108, 189176, 190567, 242216, 249203, 381134, 498406, 762268, 996812, 1524536, 1993624, 3239639, 6479278, 12958556, 25917112]

約数ペア:

[(1, 25917112), (2, 12958556), (4, 6479278), (8, 3239639), (13, 1993624), (17, 1524536), (26, 996812), (34, 762268), (52, 498406), (68, 381134), (104, 249203), (107, 242216), (136, 190567), (137, 189176), (214, 121108), (221, 117272), (274, 94588), (428, 60554), (442, 58636), (548, 47294), (856, 30277), (884, 29318), (1096, 23647), (1391, 18632), (1768, 14659), (1781, 14552), (1819, 14248), (2329, 11128), (2782, 9316), (3562, 7276), (3638, 7124), (4658, 5564)]