399156688

素因数分解:

$2^4\times 7^1\times {\mathrm{1061}}^1\times {\mathrm{3359}}^1$

素因数の和:4435

約数の個数: 40

約数和(自身を含む): 884943360

約数和(自身を除く): 485786672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1061, 2122, 3359, 4244, 6718, 7427, 8488, 13436, 14854, 16976, 23513, 26872, 29708, 47026, 53744, 59416, 94052, 118832, 188104, 376208, 3563899, 7127798, 14255596, 24947293, 28511192, 49894586, 57022384, 99789172, 199578344, 399156688]

約数ペア:

[(1, 399156688), (2, 199578344), (4, 99789172), (7, 57022384), (8, 49894586), (14, 28511192), (16, 24947293), (28, 14255596), (56, 7127798), (112, 3563899), (1061, 376208), (2122, 188104), (3359, 118832), (4244, 94052), (6718, 59416), (7427, 53744), (8488, 47026), (13436, 29708), (14854, 26872), (16976, 23513)]