1387233790

素因数分解:

$2^1\times 5^1\times {\mathrm{4987}}^1\times {\mathrm{27817}}^1$

素因数の和:32811

約数の個数: 16

約数和(自身を含む): 2497611312

約数和(自身を除く): 1110377522

約数列:

[1, 2, 5, 10, 4987, 9974, 24935, 27817, 49870, 55634, 139085, 278170, 138723379, 277446758, 693616895, 1387233790]

約数ペア:

[(1, 1387233790), (2, 693616895), (5, 277446758), (10, 138723379), (4987, 278170), (9974, 139085), (24935, 55634), (27817, 49870)]