64778315

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3359}}^1$

素因数の和:3419

約数の個数: 32

約数和(自身を含む): 96768000

約数和(自身を除く): 31989685

約数列:

[1, 5, 7, 19, 29, 35, 95, 133, 145, 203, 551, 665, 1015, 2755, 3359, 3857, 16795, 19285, 23513, 63821, 97411, 117565, 319105, 446747, 487055, 681877, 1850809, 2233735, 3409385, 9254045, 12955663, 64778315]

約数ペア:

[(1, 64778315), (5, 12955663), (7, 9254045), (19, 3409385), (29, 2233735), (35, 1850809), (95, 681877), (133, 487055), (145, 446747), (203, 319105), (551, 117565), (665, 97411), (1015, 63821), (2755, 23513), (3359, 19285), (3857, 16795)]