217651369

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{8179}}^1$

素因数の和:8304

約数の個数: 16

約数和(自身を含む): 247363200

約数和(自身を除く): 29711831

約数列:

[1, 13, 23, 89, 299, 1157, 2047, 8179, 26611, 106327, 188117, 727931, 2445521, 9463103, 16742413, 217651369]

約数ペア:

[(1, 217651369), (13, 16742413), (23, 9463103), (89, 2445521), (299, 727931), (1157, 188117), (2047, 106327), (8179, 26611)]