7905872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:411

約数の個数: 40

約数和(自身を含む): 16665600

約数和(自身を除く): 8759728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 191, 199, 208, 382, 398, 764, 796, 1528, 1592, 2483, 2587, 3056, 3184, 4966, 5174, 9932, 10348, 19864, 20696, 38009, 39728, 41392, 76018, 152036, 304072, 494117, 608144, 988234, 1976468, 3952936, 7905872]

約数ペア:

[(1, 7905872), (2, 3952936), (4, 1976468), (8, 988234), (13, 608144), (16, 494117), (26, 304072), (52, 152036), (104, 76018), (191, 41392), (199, 39728), (208, 38009), (382, 20696), (398, 19864), (764, 10348), (796, 9932), (1528, 5174), (1592, 4966), (2483, 3184), (2587, 3056)]