12898015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 17773056

約数和(自身を除く): 4875041

約数列:

[1, 5, 13, 31, 37, 65, 155, 173, 185, 403, 481, 865, 1147, 2015, 2249, 2405, 5363, 5735, 6401, 11245, 14911, 26815, 32005, 69719, 74555, 83213, 198431, 348595, 416065, 992155, 2579603, 12898015]

約数ペア:

[(1, 12898015), (5, 2579603), (13, 992155), (31, 416065), (37, 348595), (65, 198431), (155, 83213), (173, 74555), (185, 69719), (403, 32005), (481, 26815), (865, 14911), (1147, 11245), (2015, 6401), (2249, 5735), (2405, 5363)]