81187516

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{5101}}^1$

素因数の和:5301

約数の個数: 24

約数和(自身を含む): 149141664

約数和(自身を除く): 67954148

約数列:

[1, 2, 4, 23, 46, 92, 173, 346, 692, 3979, 5101, 7958, 10202, 15916, 20404, 117323, 234646, 469292, 882473, 1764946, 3529892, 20296879, 40593758, 81187516]

約数ペア:

[(1, 81187516), (2, 40593758), (4, 20296879), (23, 3529892), (46, 1764946), (92, 882473), (173, 469292), (346, 234646), (692, 117323), (3979, 20404), (5101, 15916), (7958, 10202)]