1984154848

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{110921}}^1$

素因数の和:110987

約数の個数: 48

約数和(自身を含む): 4304660976

約数和(自身を除く): 2320506128

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 86, 104, 172, 208, 344, 416, 559, 688, 1118, 1376, 2236, 4472, 8944, 17888, 110921, 221842, 443684, 887368, 1441973, 1774736, 2883946, 3549472, 4769603, 5767892, 9539206, 11535784, 19078412, 23071568, 38156824, 46143136, 62004839, 76313648, 124009678, 152627296, 248019356, 496038712, 992077424, 1984154848]

約数ペア:

[(1, 1984154848), (2, 992077424), (4, 496038712), (8, 248019356), (13, 152627296), (16, 124009678), (26, 76313648), (32, 62004839), (43, 46143136), (52, 38156824), (86, 23071568), (104, 19078412), (172, 11535784), (208, 9539206), (344, 5767892), (416, 4769603), (559, 3549472), (688, 2883946), (1118, 1774736), (1376, 1441973), (2236, 887368), (4472, 443684), (8944, 221842), (17888, 110921)]