409772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 799680

約数和(自身を除く): 389908

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 139, 268, 278, 556, 737, 1474, 1529, 2948, 3058, 6116, 9313, 18626, 37252, 102443, 204886, 409772]

約数ペア:

[(1, 409772), (2, 204886), (4, 102443), (11, 37252), (22, 18626), (44, 9313), (67, 6116), (134, 3058), (139, 2948), (268, 1529), (278, 1474), (556, 737)]