81612284

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{4951}}^1$

素因数の和:5285

約数の個数: 24

約数和(自身を含む): 154324128

約数和(自身を除く): 72711844

約数列:

[1, 2, 4, 13, 26, 52, 317, 634, 1268, 4121, 4951, 8242, 9902, 16484, 19804, 64363, 128726, 257452, 1569467, 3138934, 6277868, 20403071, 40806142, 81612284]

約数ペア:

[(1, 81612284), (2, 40806142), (4, 20403071), (13, 6277868), (26, 3138934), (52, 1569467), (317, 257452), (634, 128726), (1268, 64363), (4121, 19804), (4951, 16484), (8242, 9902)]