12856165

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:118

約数の個数: 48

約数和(自身を含む): 19805184

約数和(自身を除く): 6949019

約数列:

[1, 5, 7, 17, 31, 35, 41, 85, 119, 155, 205, 217, 287, 289, 527, 595, 697, 1085, 1271, 1435, 1445, 2023, 2635, 3485, 3689, 4879, 6355, 8897, 8959, 10115, 11849, 18445, 21607, 24395, 44485, 44795, 59245, 62713, 82943, 108035, 151249, 313565, 367319, 414715, 756245, 1836595, 2571233, 12856165]

約数ペア:

[(1, 12856165), (5, 2571233), (7, 1836595), (17, 756245), (31, 414715), (35, 367319), (41, 313565), (85, 151249), (119, 108035), (155, 82943), (205, 62713), (217, 59245), (287, 44795), (289, 44485), (527, 24395), (595, 21607), (697, 18445), (1085, 11849), (1271, 10115), (1435, 8959), (1445, 8897), (2023, 6355), (2635, 4879), (3485, 3689)]