258463816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{7121}}^1$

素因数の和:7489

約数の個数: 32

約数和(自身を含む): 523467000

約数和(自身を除く): 265003184

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 349, 698, 1396, 2792, 4537, 7121, 9074, 14242, 18148, 28484, 36296, 56968, 92573, 185146, 370292, 740584, 2485229, 4970458, 9940916, 19881832, 32307977, 64615954, 129231908, 258463816]

約数ペア:

[(1, 258463816), (2, 129231908), (4, 64615954), (8, 32307977), (13, 19881832), (26, 9940916), (52, 4970458), (104, 2485229), (349, 740584), (698, 370292), (1396, 185146), (2792, 92573), (4537, 56968), (7121, 36296), (9074, 28484), (14242, 18148)]