12978412

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:250

約数の個数: 36

約数和(自身を含む): 24584560

約数和(自身を除く): 11606148

約数列:

[1, 2, 4, 17, 34, 68, 103, 109, 206, 218, 289, 412, 436, 578, 1156, 1751, 1853, 3502, 3706, 7004, 7412, 11227, 22454, 29767, 31501, 44908, 59534, 63002, 119068, 126004, 190859, 381718, 763436, 3244603, 6489206, 12978412]

約数ペア:

[(1, 12978412), (2, 6489206), (4, 3244603), (17, 763436), (34, 381718), (68, 190859), (103, 126004), (109, 119068), (206, 63002), (218, 59534), (289, 44908), (412, 31501), (436, 29767), (578, 22454), (1156, 11227), (1751, 7412), (1853, 7004), (3502, 3706)]