1291270310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2371}}^1\times {\mathrm{4951}}^1$

素因数の和:7340

約数の個数: 32

約数和(自身を含む): 2537167104

約数和(自身を除く): 1245896794

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 2371, 4742, 4951, 9902, 11855, 23710, 24755, 26081, 49510, 52162, 54461, 108922, 130405, 260810, 272305, 544610, 11738821, 23477642, 58694105, 117388210, 129127031, 258254062, 645635155, 1291270310]

約数ペア:

[(1, 1291270310), (2, 645635155), (5, 258254062), (10, 129127031), (11, 117388210), (22, 58694105), (55, 23477642), (110, 11738821), (2371, 544610), (4742, 272305), (4951, 260810), (9902, 130405), (11855, 108922), (23710, 54461), (24755, 52162), (26081, 49510)]