31455712990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{947}}^1\times {\mathrm{1297}}^1$

素因数の和:2461

約数の個数: 64

約数和(自身を含む): 61397227584

約数和(自身を除く): 29941514594

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 197, 394, 947, 985, 1297, 1894, 1970, 2561, 2594, 4735, 5122, 6485, 9470, 12311, 12805, 12970, 16861, 24622, 25610, 33722, 61555, 84305, 123110, 168610, 186559, 255509, 373118, 511018, 932795, 1228259, 1277545, 1865590, 2425267, 2456518, 2555090, 3321617, 4850534, 6141295, 6643234, 12126335, 12282590, 15967367, 16608085, 24252670, 31934734, 33216170, 79836835, 159673670, 241967023, 483934046, 1209835115, 2419670230, 3145571299, 6291142598, 15727856495, 31455712990]

約数ペア:

[(1, 31455712990), (2, 15727856495), (5, 6291142598), (10, 3145571299), (13, 2419670230), (26, 1209835115), (65, 483934046), (130, 241967023), (197, 159673670), (394, 79836835), (947, 33216170), (985, 31934734), (1297, 24252670), (1894, 16608085), (1970, 15967367), (2561, 12282590), (2594, 12126335), (4735, 6643234), (5122, 6141295), (6485, 4850534), (9470, 3321617), (12311, 2555090), (12805, 2456518), (12970, 2425267), (16861, 1865590), (24622, 1277545), (25610, 1228259), (33722, 932795), (61555, 511018), (84305, 373118), (123110, 255509), (168610, 186559)]