42939905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 56678400

約数和(自身を除く): 13738495

約数列:

[1, 5, 19, 47, 59, 95, 163, 235, 295, 815, 893, 1121, 2773, 3097, 4465, 5605, 7661, 9617, 13865, 15485, 38305, 48085, 52687, 145559, 182723, 263435, 451999, 727795, 913615, 2259995, 8587981, 42939905]

約数ペア:

[(1, 42939905), (5, 8587981), (19, 2259995), (47, 913615), (59, 727795), (95, 451999), (163, 263435), (235, 182723), (295, 145559), (815, 52687), (893, 48085), (1121, 38305), (2773, 15485), (3097, 13865), (4465, 9617), (5605, 7661)]