42900865

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 62000640

約数和(自身を除く): 19099775

約数列:

[1, 5, 7, 23, 35, 115, 137, 161, 389, 685, 805, 959, 1945, 2723, 3151, 4795, 8947, 13615, 15755, 22057, 44735, 53293, 62629, 110285, 266465, 313145, 373051, 1225739, 1865255, 6128695, 8580173, 42900865]

約数ペア:

[(1, 42900865), (5, 8580173), (7, 6128695), (23, 1865255), (35, 1225739), (115, 373051), (137, 313145), (161, 266465), (389, 110285), (685, 62629), (805, 53293), (959, 44735), (1945, 22057), (2723, 15755), (3151, 13615), (4795, 8947)]