4199425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 5671512

約数和(自身を除く): 1472087

約数列:

[1, 5, 17, 25, 41, 85, 205, 241, 425, 697, 1025, 1205, 3485, 4097, 6025, 9881, 17425, 20485, 49405, 102425, 167977, 247025, 839885, 4199425]

約数ペア:

[(1, 4199425), (5, 839885), (17, 247025), (25, 167977), (41, 102425), (85, 49405), (205, 20485), (241, 17425), (425, 9881), (697, 6025), (1025, 4097), (1205, 3485)]