1991314192

素因数分解:

$2^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{301349}}^1$

素因数の和:301423

約数の個数: 40

約数和(自身を含む): 4484088000

約数和(自身を除く): 2492773808

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 59, 112, 118, 236, 413, 472, 826, 944, 1652, 3304, 6608, 301349, 602698, 1205396, 2109443, 2410792, 4218886, 4821584, 8437772, 16875544, 17779591, 33751088, 35559182, 71118364, 124457137, 142236728, 248914274, 284473456, 497828548, 995657096, 1991314192]

約数ペア:

[(1, 1991314192), (2, 995657096), (4, 497828548), (7, 284473456), (8, 248914274), (14, 142236728), (16, 124457137), (28, 71118364), (56, 35559182), (59, 33751088), (112, 17779591), (118, 16875544), (236, 8437772), (413, 4821584), (472, 4218886), (826, 2410792), (944, 2109443), (1652, 1205396), (3304, 602698), (6608, 301349)]