72191218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{677}}^1$

素因数の和:858

約数の個数: 32

約数和(自身を含む): 122430528

約数和(自身を除く): 50239310

約数列:

[1, 2, 11, 22, 37, 74, 131, 262, 407, 677, 814, 1354, 1441, 2882, 4847, 7447, 9694, 14894, 25049, 50098, 53317, 88687, 106634, 177374, 275539, 551078, 975557, 1951114, 3281419, 6562838, 36095609, 72191218]

約数ペア:

[(1, 72191218), (2, 36095609), (11, 6562838), (22, 3281419), (37, 1951114), (74, 975557), (131, 551078), (262, 275539), (407, 177374), (677, 106634), (814, 88687), (1354, 53317), (1441, 50098), (2882, 25049), (4847, 14894), (7447, 9694)]