208030388

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{311}}^1\times {\mathrm{3889}}^1$

素因数の和:4247

約数の個数: 24

約数和(自身を含む): 373813440

約数和(自身を除く): 165783052

約数列:

[1, 2, 4, 43, 86, 172, 311, 622, 1244, 3889, 7778, 13373, 15556, 26746, 53492, 167227, 334454, 668908, 1209479, 2418958, 4837916, 52007597, 104015194, 208030388]

約数ペア:

[(1, 208030388), (2, 104015194), (4, 52007597), (43, 4837916), (86, 2418958), (172, 1209479), (311, 668908), (622, 334454), (1244, 167227), (3889, 53492), (7778, 26746), (13373, 15556)]