12854975

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 20088000

約数和(自身を除く): 7233025

約数列:

[1, 5, 7, 17, 25, 29, 35, 85, 119, 145, 149, 175, 203, 425, 493, 595, 725, 745, 1015, 1043, 2465, 2533, 2975, 3451, 3725, 4321, 5075, 5215, 12325, 12665, 17255, 17731, 21605, 26075, 30247, 63325, 73457, 86275, 88655, 108025, 151235, 367285, 443275, 514199, 756175, 1836425, 2570995, 12854975]

約数ペア:

[(1, 12854975), (5, 2570995), (7, 1836425), (17, 756175), (25, 514199), (29, 443275), (35, 367285), (85, 151235), (119, 108025), (145, 88655), (149, 86275), (175, 73457), (203, 63325), (425, 30247), (493, 26075), (595, 21605), (725, 17731), (745, 17255), (1015, 12665), (1043, 12325), (2465, 5215), (2533, 5075), (2975, 4321), (3451, 3725)]