81580538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{421}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 137183760

約数和(自身を除く): 55603222

約数列:

[1, 2, 13, 26, 29, 58, 257, 377, 421, 514, 754, 842, 3341, 5473, 6682, 7453, 10946, 12209, 14906, 24418, 96889, 108197, 158717, 193778, 216394, 317434, 1406561, 2813122, 3137713, 6275426, 40790269, 81580538]

約数ペア:

[(1, 81580538), (2, 40790269), (13, 6275426), (26, 3137713), (29, 2813122), (58, 1406561), (257, 317434), (377, 216394), (421, 193778), (514, 158717), (754, 108197), (842, 96889), (3341, 24418), (5473, 14906), (6682, 12209), (7453, 10946)]