86972015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 122330208

約数和(自身を除く): 35358193

約数列:

[1, 5, 13, 29, 37, 43, 65, 145, 185, 215, 377, 481, 559, 841, 1073, 1247, 1591, 1885, 2405, 2795, 4205, 5365, 6235, 7955, 10933, 13949, 16211, 20683, 31117, 36163, 46139, 54665, 69745, 81055, 103415, 155585, 180815, 230695, 404521, 470119, 599807, 1338031, 2022605, 2350595, 2999035, 6690155, 17394403, 86972015]

約数ペア:

[(1, 86972015), (5, 17394403), (13, 6690155), (29, 2999035), (37, 2350595), (43, 2022605), (65, 1338031), (145, 599807), (185, 470119), (215, 404521), (377, 230695), (481, 180815), (559, 155585), (841, 103415), (1073, 81055), (1247, 69745), (1591, 54665), (1885, 46139), (2405, 36163), (2795, 31117), (4205, 20683), (5365, 16211), (6235, 13949), (7955, 10933)]