77721790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{1627}}^1$

素因数の和:1932

約数の個数: 32

約数和(自身を含む): 148747104

約数和(自身を除く): 71025314

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 281, 562, 1405, 1627, 2810, 3254, 4777, 8135, 9554, 16270, 23885, 27659, 47770, 55318, 138295, 276590, 457187, 914374, 2285935, 4571870, 7772179, 15544358, 38860895, 77721790]

約数ペア:

[(1, 77721790), (2, 38860895), (5, 15544358), (10, 7772179), (17, 4571870), (34, 2285935), (85, 914374), (170, 457187), (281, 276590), (562, 138295), (1405, 55318), (1627, 47770), (2810, 27659), (3254, 23885), (4777, 16270), (8135, 9554)]