16986095

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 25855200

約数和(自身を除く): 8869105

約数列:

[1, 5, 7, 19, 35, 41, 49, 89, 95, 133, 205, 245, 287, 445, 623, 665, 779, 931, 1435, 1691, 2009, 3115, 3649, 3895, 4361, 4655, 5453, 8455, 10045, 11837, 18245, 21805, 25543, 27265, 38171, 59185, 69331, 82859, 127715, 178801, 190855, 346655, 414295, 485317, 894005, 2426585, 3397219, 16986095]

約数ペア:

[(1, 16986095), (5, 3397219), (7, 2426585), (19, 894005), (35, 485317), (41, 414295), (49, 346655), (89, 190855), (95, 178801), (133, 127715), (205, 82859), (245, 69331), (287, 59185), (445, 38171), (623, 27265), (665, 25543), (779, 21805), (931, 18245), (1435, 11837), (1691, 10045), (2009, 8455), (3115, 5453), (3649, 4655), (3895, 4361)]