221465335

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{2089}}^1$

素因数の和:2347

約数の個数: 32

約数和(自身を含む): 328648320

約数和(自身を除く): 107182985

約数列:

[1, 5, 7, 13, 35, 65, 91, 233, 455, 1165, 1631, 2089, 3029, 8155, 10445, 14623, 15145, 21203, 27157, 73115, 106015, 135785, 190099, 486737, 950495, 2433685, 3407159, 6327581, 17035795, 31637905, 44293067, 221465335]

約数ペア:

[(1, 221465335), (5, 44293067), (7, 31637905), (13, 17035795), (35, 6327581), (65, 3407159), (91, 2433685), (233, 950495), (455, 486737), (1165, 190099), (1631, 135785), (2089, 106015), (3029, 73115), (8155, 27157), (10445, 21203), (14623, 15145)]