205676848

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{4969}}^1$

素因数の和:5189

約数の個数: 40

約数和(自身を含む): 431396000

約数和(自身を除く): 225719152

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 199, 208, 398, 796, 1592, 2587, 3184, 4969, 5174, 9938, 10348, 19876, 20696, 39752, 41392, 64597, 79504, 129194, 258388, 516776, 988831, 1033552, 1977662, 3955324, 7910648, 12854803, 15821296, 25709606, 51419212, 102838424, 205676848]

約数ペア:

[(1, 205676848), (2, 102838424), (4, 51419212), (8, 25709606), (13, 15821296), (16, 12854803), (26, 7910648), (52, 3955324), (104, 1977662), (199, 1033552), (208, 988831), (398, 516776), (796, 258388), (1592, 129194), (2587, 79504), (3184, 64597), (4969, 41392), (5174, 39752), (9938, 20696), (10348, 19876)]