71812895

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 111949824

約数和(自身を除く): 40136929

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 121, 155, 217, 341, 385, 547, 605, 847, 1085, 1705, 2387, 2735, 3751, 3829, 4235, 6017, 11935, 16957, 18755, 19145, 26257, 30085, 42119, 66187, 84785, 118699, 131285, 186527, 210595, 330935, 463309, 593495, 932635, 1305689, 2051797, 2316545, 6528445, 10258985, 14362579, 71812895]

約数ペア:

[(1, 71812895), (5, 14362579), (7, 10258985), (11, 6528445), (31, 2316545), (35, 2051797), (55, 1305689), (77, 932635), (121, 593495), (155, 463309), (217, 330935), (341, 210595), (385, 186527), (547, 131285), (605, 118699), (847, 84785), (1085, 66187), (1705, 42119), (2387, 30085), (2735, 26257), (3751, 19145), (3829, 18755), (4235, 16957), (6017, 11935)]