71785945

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1361}}^1$

素因数の和:1521

約数の個数: 32

約数和(自身を含む): 108262656

約数和(自身を除く): 36476711

約数列:

[1, 5, 7, 11, 35, 55, 77, 137, 385, 685, 959, 1361, 1507, 4795, 6805, 7535, 9527, 10549, 14971, 47635, 52745, 74855, 104797, 186457, 523985, 932285, 1305199, 2051027, 6525995, 10255135, 14357189, 71785945]

約数ペア:

[(1, 71785945), (5, 14357189), (7, 10255135), (11, 6525995), (35, 2051027), (55, 1305199), (77, 932285), (137, 523985), (385, 186457), (685, 104797), (959, 74855), (1361, 52745), (1507, 47635), (4795, 14971), (6805, 10549), (7535, 9527)]