388361896

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{86843}}^1$

素因数の和:86905

約数の個数: 32

約数和(自身を含む): 802438560

約数和(自身を除く): 414076664

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 86843, 173686, 347372, 694744, 1128959, 2257918, 3734249, 4515836, 7468498, 9031672, 14936996, 29873992, 48545237, 97090474, 194180948, 388361896]

約数ペア:

[(1, 388361896), (2, 194180948), (4, 97090474), (8, 48545237), (13, 29873992), (26, 14936996), (43, 9031672), (52, 7468498), (86, 4515836), (104, 3734249), (172, 2257918), (344, 1128959), (559, 694744), (1118, 347372), (2236, 173686), (4472, 86843)]