4890925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:273

約数の個数: 24

約数和(自身を含む): 6640200

約数和(自身を除く): 1749275

約数列:

[1, 5, 13, 25, 65, 101, 149, 325, 505, 745, 1313, 1937, 2525, 3725, 6565, 9685, 15049, 32825, 48425, 75245, 195637, 376225, 978185, 4890925]

約数ペア:

[(1, 4890925), (5, 978185), (13, 376225), (25, 195637), (65, 75245), (101, 48425), (149, 32825), (325, 15049), (505, 9685), (745, 6565), (1313, 3725), (1937, 2525)]