128667032

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{6217}}^1$

素因数の和:6435

約数の個数: 32

約数和(自身を含む): 261156000

約数和(自身を除く): 132488968

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199, 398, 796, 1592, 2587, 5174, 6217, 10348, 12434, 20696, 24868, 49736, 80821, 161642, 323284, 646568, 1237183, 2474366, 4948732, 9897464, 16083379, 32166758, 64333516, 128667032]

約数ペア:

[(1, 128667032), (2, 64333516), (4, 32166758), (8, 16083379), (13, 9897464), (26, 4948732), (52, 2474366), (104, 1237183), (199, 646568), (398, 323284), (796, 161642), (1592, 80821), (2587, 49736), (5174, 24868), (6217, 20696), (10348, 12434)]