28374619

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16411}}^1$

素因数の和:16450

約数の個数: 16

約数和(自身を含む): 36762880

約数和(自身を除く): 8388261

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 16411, 114877, 213343, 311809, 1493401, 2182663, 4053517, 28374619]

約数ペア:

[(1, 28374619), (7, 4053517), (13, 2182663), (19, 1493401), (91, 311809), (133, 213343), (247, 114877), (1729, 16411)]