1891505

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^3$

素因数の和:74

約数の個数: 32

約数和(自身を含む): 3006720

約数和(自身を除く): 1115215

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 289, 385, 595, 935, 1309, 1445, 2023, 3179, 4913, 6545, 10115, 15895, 22253, 24565, 34391, 54043, 111265, 171955, 270215, 378301, 1891505]

約数ペア:

[(1, 1891505), (5, 378301), (7, 270215), (11, 171955), (17, 111265), (35, 54043), (55, 34391), (77, 24565), (85, 22253), (119, 15895), (187, 10115), (289, 6545), (385, 4913), (595, 3179), (935, 2023), (1309, 1445)]