1890655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:123

約数の個数: 32

約数和(自身を含む): 2721600

約数和(自身を除く): 830945

約数列:

[1, 5, 13, 17, 29, 59, 65, 85, 145, 221, 295, 377, 493, 767, 1003, 1105, 1711, 1885, 2465, 3835, 5015, 6409, 8555, 13039, 22243, 29087, 32045, 65195, 111215, 145435, 378131, 1890655]

約数ペア:

[(1, 1890655), (5, 378131), (13, 145435), (17, 111215), (29, 65195), (59, 32045), (65, 29087), (85, 22243), (145, 13039), (221, 8555), (295, 6409), (377, 5015), (493, 3835), (767, 2465), (1003, 1885), (1105, 1711)]