247641216

素因数分解:

$2^7\times 3^1\times {\mathrm{644899}}^1$

素因数の和:644916

約数の個数: 32

約数和(自身を含む): 657798000

約数和(自身を除く): 410156784

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 644899, 1289798, 1934697, 2579596, 3869394, 5159192, 7738788, 10318384, 15477576, 20636768, 30955152, 41273536, 61910304, 82547072, 123820608, 247641216]

約数ペア:

[(1, 247641216), (2, 123820608), (3, 82547072), (4, 61910304), (6, 41273536), (8, 30955152), (12, 20636768), (16, 15477576), (24, 10318384), (32, 7738788), (48, 5159192), (64, 3869394), (96, 2579596), (128, 1934697), (192, 1289798), (384, 644899)]