12650015

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 18247680

約数和(自身を除く): 5597665

約数列:

[1, 5, 7, 31, 35, 89, 131, 155, 217, 445, 623, 655, 917, 1085, 2759, 3115, 4061, 4585, 11659, 13795, 19313, 20305, 28427, 58295, 81613, 96565, 142135, 361429, 408065, 1807145, 2530003, 12650015]

約数ペア:

[(1, 12650015), (5, 2530003), (7, 1807145), (31, 408065), (35, 361429), (89, 142135), (131, 96565), (155, 81613), (217, 58295), (445, 28427), (623, 20305), (655, 19313), (917, 13795), (1085, 11659), (2759, 4585), (3115, 4061)]