64986584

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{677}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 133999920

約数和(自身を除く): 69013336

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 169, 284, 338, 568, 676, 677, 923, 1352, 1354, 1846, 2708, 3692, 5416, 7384, 8801, 11999, 17602, 23998, 35204, 47996, 48067, 70408, 95992, 96134, 114413, 192268, 228826, 384536, 457652, 624871, 915304, 1249742, 2499484, 4998968, 8123323, 16246646, 32493292, 64986584]

約数ペア:

[(1, 64986584), (2, 32493292), (4, 16246646), (8, 8123323), (13, 4998968), (26, 2499484), (52, 1249742), (71, 915304), (104, 624871), (142, 457652), (169, 384536), (284, 228826), (338, 192268), (568, 114413), (676, 96134), (677, 95992), (923, 70408), (1352, 48067), (1354, 47996), (1846, 35204), (2708, 23998), (3692, 17602), (5416, 11999), (7384, 8801)]