81361664

素因数分解:

$2^8\times {\mathrm{89}}^1\times {\mathrm{3571}}^1$

素因数の和:3676

約数の個数: 36

約数和(自身を含む): 164276280

約数和(自身を除く): 82914616

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 256, 356, 712, 1424, 2848, 3571, 5696, 7142, 11392, 14284, 22784, 28568, 57136, 114272, 228544, 317819, 457088, 635638, 914176, 1271276, 2542552, 5085104, 10170208, 20340416, 40680832, 81361664]

約数ペア:

[(1, 81361664), (2, 40680832), (4, 20340416), (8, 10170208), (16, 5085104), (32, 2542552), (64, 1271276), (89, 914176), (128, 635638), (178, 457088), (256, 317819), (356, 228544), (712, 114272), (1424, 57136), (2848, 28568), (3571, 22784), (5696, 14284), (7142, 11392)]