77774315

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 102220800

約数和(自身を除く): 24446485

約数列:

[1, 5, 19, 43, 79, 95, 215, 241, 395, 817, 1205, 1501, 3397, 4085, 4579, 7505, 10363, 16985, 19039, 22895, 51815, 64543, 95195, 196897, 322715, 361741, 818677, 984485, 1808705, 4093385, 15554863, 77774315]

約数ペア:

[(1, 77774315), (5, 15554863), (19, 4093385), (43, 1808705), (79, 984485), (95, 818677), (215, 361741), (241, 322715), (395, 196897), (817, 95195), (1205, 64543), (1501, 51815), (3397, 22895), (4085, 19039), (4579, 16985), (7505, 10363)]