51388168

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 105408000

約数和(自身を除く): 54019832

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 191, 199, 338, 382, 398, 676, 764, 796, 1352, 1528, 1592, 2483, 2587, 4966, 5174, 9932, 10348, 19864, 20696, 32279, 33631, 38009, 64558, 67262, 76018, 129116, 134524, 152036, 258232, 269048, 304072, 494117, 988234, 1976468, 3952936, 6423521, 12847042, 25694084, 51388168]

約数ペア:

[(1, 51388168), (2, 25694084), (4, 12847042), (8, 6423521), (13, 3952936), (26, 1976468), (52, 988234), (104, 494117), (169, 304072), (191, 269048), (199, 258232), (338, 152036), (382, 134524), (398, 129116), (676, 76018), (764, 67262), (796, 64558), (1352, 38009), (1528, 33631), (1592, 32279), (2483, 20696), (2587, 19864), (4966, 10348), (5174, 9932)]