71811454

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{977}}^1$

素因数の和:1260

約数の個数: 32

約数和(自身を含む): 127171296

約数和(自身を除く): 55359842

約数列:

[1, 2, 11, 13, 22, 26, 143, 257, 286, 514, 977, 1954, 2827, 3341, 5654, 6682, 10747, 12701, 21494, 25402, 36751, 73502, 139711, 251089, 279422, 502178, 2761979, 3264157, 5523958, 6528314, 35905727, 71811454]

約数ペア:

[(1, 71811454), (2, 35905727), (11, 6528314), (13, 5523958), (22, 3264157), (26, 2761979), (143, 502178), (257, 279422), (286, 251089), (514, 139711), (977, 73502), (1954, 36751), (2827, 25402), (3341, 21494), (5654, 12701), (6682, 10747)]