78690305

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{367}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 104040960

約数和(自身を除く): 25350655

約数列:

[1, 5, 19, 37, 61, 95, 185, 305, 367, 703, 1159, 1835, 2257, 3515, 5795, 6973, 11285, 13579, 22387, 34865, 42883, 67895, 111935, 214415, 258001, 425353, 828319, 1290005, 2126765, 4141595, 15738061, 78690305]

約数ペア:

[(1, 78690305), (5, 15738061), (19, 4141595), (37, 2126765), (61, 1290005), (95, 828319), (185, 425353), (305, 258001), (367, 214415), (703, 111935), (1159, 67895), (1835, 42883), (2257, 34865), (3515, 22387), (5795, 13579), (6973, 11285)]