261542015

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1\times {\mathrm{509}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 367493760

約数和(自身を除く): 105951745

約数列:

[1, 5, 7, 35, 53, 265, 277, 371, 509, 1385, 1855, 1939, 2545, 3563, 9695, 14681, 17815, 26977, 73405, 102767, 134885, 140993, 188839, 513835, 704965, 944195, 986951, 4934755, 7472629, 37363145, 52308403, 261542015]

約数ペア:

[(1, 261542015), (5, 52308403), (7, 37363145), (35, 7472629), (53, 4934755), (265, 986951), (277, 944195), (371, 704965), (509, 513835), (1385, 188839), (1855, 140993), (1939, 134885), (2545, 102767), (3563, 73405), (9695, 26977), (14681, 17815)]