201215404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89989}}^1$

素因数の和:90049

約数の個数: 24

約数和(自身を含む): 388036880

約数和(自身を除く): 186821476

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 89989, 179978, 359956, 1169857, 2339714, 3869527, 4679428, 7739054, 15478108, 50303851, 100607702, 201215404]

約数ペア:

[(1, 201215404), (2, 100607702), (4, 50303851), (13, 15478108), (26, 7739054), (43, 4679428), (52, 3869527), (86, 2339714), (172, 1169857), (559, 359956), (1118, 179978), (2236, 89989)]