1221147904

素因数分解:

$2^8\times {\mathrm{4770109}}^1$

素因数の和:4770125

約数の個数: 18

約数和(自身を含む): 2437526210

約数和(自身を除く): 1216378306

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 4770109, 9540218, 19080436, 38160872, 76321744, 152643488, 305286976, 610573952, 1221147904]

約数ペア:

[(1, 1221147904), (2, 610573952), (4, 305286976), (8, 152643488), (16, 76321744), (32, 38160872), (64, 19080436), (128, 9540218), (256, 4770109)]