392318878

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{20773}}^1$

素因数の和:20872

約数の個数: 32

約数和(自身を含む): 717949440

約数和(自身を除く): 325630562

約数列:

[1, 2, 7, 14, 19, 38, 71, 133, 142, 266, 497, 994, 1349, 2698, 9443, 18886, 20773, 41546, 145411, 290822, 394687, 789374, 1474883, 2762809, 2949766, 5525618, 10324181, 20648362, 28022777, 56045554, 196159439, 392318878]

約数ペア:

[(1, 392318878), (2, 196159439), (7, 56045554), (14, 28022777), (19, 20648362), (38, 10324181), (71, 5525618), (133, 2949766), (142, 2762809), (266, 1474883), (497, 789374), (994, 394687), (1349, 290822), (2698, 145411), (9443, 41546), (18886, 20773)]