64378328

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{12917}}^1$

素因数の和:13019

約数の個数: 32

約数和(自身を含む): 139514400

約数和(自身を除く): 75136072

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 623, 712, 1246, 2492, 4984, 12917, 25834, 51668, 90419, 103336, 180838, 361676, 723352, 1149613, 2299226, 4598452, 8047291, 9196904, 16094582, 32189164, 64378328]

約数ペア:

[(1, 64378328), (2, 32189164), (4, 16094582), (7, 9196904), (8, 8047291), (14, 4598452), (28, 2299226), (56, 1149613), (89, 723352), (178, 361676), (356, 180838), (623, 103336), (712, 90419), (1246, 51668), (2492, 25834), (4984, 12917)]