218914655

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{5987}}^1$

素因数の和:6166

約数の個数: 16

約数和(自身を含む): 269028864

約数和(自身を除く): 50114209

約数列:

[1, 5, 71, 103, 355, 515, 5987, 7313, 29935, 36565, 425077, 616661, 2125385, 3083305, 43782931, 218914655]

約数ペア:

[(1, 218914655), (5, 43782931), (71, 3083305), (103, 2125385), (355, 616661), (515, 425077), (5987, 36565), (7313, 29935)]