864734

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:515

約数の個数: 16

約数和(自身を含む): 1417920

約数和(自身を除く): 553186

約数列:

[1, 2, 13, 26, 79, 158, 421, 842, 1027, 2054, 5473, 10946, 33259, 66518, 432367, 864734]

約数ペア:

[(1, 864734), (2, 432367), (13, 66518), (26, 33259), (79, 10946), (158, 5473), (421, 2054), (842, 1027)]