291268315

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{809}}^1$

素因数の和:1047

約数の個数: 32

約数和(自身を含む): 391910400

約数和(自身を除く): 100642085

約数列:

[1, 5, 13, 29, 65, 145, 191, 377, 809, 955, 1885, 2483, 4045, 5539, 10517, 12415, 23461, 27695, 52585, 72007, 117305, 154519, 304993, 360035, 772595, 1524965, 2008747, 4481051, 10043735, 22405255, 58253663, 291268315]

約数ペア:

[(1, 291268315), (5, 58253663), (13, 22405255), (29, 10043735), (65, 4481051), (145, 2008747), (191, 1524965), (377, 772595), (809, 360035), (955, 304993), (1885, 154519), (2483, 117305), (4045, 72007), (5539, 52585), (10517, 27695), (12415, 23461)]