280408024

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{26177}}^1$

素因数の和:26299

約数の個数: 32

約数和(自身を含む): 571727520

約数和(自身を除く): 291319496

約数列:

[1, 2, 4, 8, 13, 26, 52, 103, 104, 206, 412, 824, 1339, 2678, 5356, 10712, 26177, 52354, 104708, 209416, 340301, 680602, 1361204, 2696231, 2722408, 5392462, 10784924, 21569848, 35051003, 70102006, 140204012, 280408024]

約数ペア:

[(1, 280408024), (2, 140204012), (4, 70102006), (8, 35051003), (13, 21569848), (26, 10784924), (52, 5392462), (103, 2722408), (104, 2696231), (206, 1361204), (412, 680602), (824, 340301), (1339, 209416), (2678, 104708), (5356, 52354), (10712, 26177)]