123542876

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{106871}}^1$

素因数の和:106909

約数の個数: 18

約数和(自身を含む): 229667928

約数和(自身を除く): 106125052

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 106871, 213742, 427484, 1816807, 3633614, 7267228, 30885719, 61771438, 123542876]

約数ペア:

[(1, 123542876), (2, 61771438), (4, 30885719), (17, 7267228), (34, 3633614), (68, 1816807), (289, 427484), (578, 213742), (1156, 106871)]