81430328

素因数分解:

$2^3\times 7^1\times {\mathrm{1019}}^1\times {\mathrm{1427}}^1$

素因数の和:2459

約数の個数: 32

約数和(自身を含む): 174787200

約数和(自身を除く): 93356872

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1019, 1427, 2038, 2854, 4076, 5708, 7133, 8152, 9989, 11416, 14266, 19978, 28532, 39956, 57064, 79912, 1454113, 2908226, 5816452, 10178791, 11632904, 20357582, 40715164, 81430328]

約数ペア:

[(1, 81430328), (2, 40715164), (4, 20357582), (7, 11632904), (8, 10178791), (14, 5816452), (28, 2908226), (56, 1454113), (1019, 79912), (1427, 57064), (2038, 39956), (2854, 28532), (4076, 19978), (5708, 14266), (7133, 11416), (8152, 9989)]