15833870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3929}}^1$

素因数の和:3980

約数の個数: 32

約数和(自身を含む): 31691520

約数和(自身を除く): 15857650

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 3929, 4030, 7858, 19645, 39290, 51077, 102154, 121799, 243598, 255385, 510770, 608995, 1217990, 1583387, 3166774, 7916935, 15833870]

約数ペア:

[(1, 15833870), (2, 7916935), (5, 3166774), (10, 1583387), (13, 1217990), (26, 608995), (31, 510770), (62, 255385), (65, 243598), (130, 121799), (155, 102154), (310, 51077), (403, 39290), (806, 19645), (2015, 7858), (3929, 4030)]