138117928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{78121}}^1$

素因数の和:78157

約数の個数: 32

約数和(自身を含む): 295301160

約数和(自身を除く): 157183232

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 78121, 156242, 312484, 624968, 1015573, 1328057, 2031146, 2656114, 4062292, 5312228, 8124584, 10624456, 17264741, 34529482, 69058964, 138117928]

約数ペア:

[(1, 138117928), (2, 69058964), (4, 34529482), (8, 17264741), (13, 10624456), (17, 8124584), (26, 5312228), (34, 4062292), (52, 2656114), (68, 2031146), (104, 1328057), (136, 1015573), (221, 624968), (442, 312484), (884, 156242), (1768, 78121)]