65805265

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 86486400

約数和(自身を除く): 20681135

約数列:

[1, 5, 19, 43, 89, 95, 181, 215, 445, 817, 905, 1691, 3439, 3827, 4085, 7783, 8455, 16109, 17195, 19135, 38915, 72713, 80545, 147877, 306071, 363565, 692687, 739385, 1530355, 3463435, 13161053, 65805265]

約数ペア:

[(1, 65805265), (5, 13161053), (19, 3463435), (43, 1530355), (89, 739385), (95, 692687), (181, 363565), (215, 306071), (445, 147877), (817, 80545), (905, 72713), (1691, 38915), (3439, 19135), (3827, 17195), (4085, 16109), (7783, 8455)]