251128448

素因数分解:

$2^7\times {\mathrm{199}}^1\times {\mathrm{9859}}^1$

素因数の和:10072

約数の個数: 32

約数和(自身を含む): 502860000

約数和(自身を除く): 251731552

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 199, 398, 796, 1592, 3184, 6368, 9859, 12736, 19718, 25472, 39436, 78872, 157744, 315488, 630976, 1261952, 1961941, 3923882, 7847764, 15695528, 31391056, 62782112, 125564224, 251128448]

約数ペア:

[(1, 251128448), (2, 125564224), (4, 62782112), (8, 31391056), (16, 15695528), (32, 7847764), (64, 3923882), (128, 1961941), (199, 1261952), (398, 630976), (796, 315488), (1592, 157744), (3184, 78872), (6368, 39436), (9859, 25472), (12736, 19718)]