1907890019

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{9011}}^1$

素因数の和:9203

約数の個数: 24

約数和(自身を含む): 2311578000

約数和(自身を除く): 403687981

約数列:

[1, 7, 29, 49, 149, 203, 1043, 1421, 4321, 7301, 9011, 30247, 63077, 211729, 261319, 441539, 1342639, 1829233, 9398473, 12804631, 38936531, 65789311, 272555717, 1907890019]

約数ペア:

[(1, 1907890019), (7, 272555717), (29, 65789311), (49, 38936531), (149, 12804631), (203, 9398473), (1043, 1829233), (1421, 1342639), (4321, 441539), (7301, 261319), (9011, 211729), (30247, 63077)]