1399291270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{63691}}^1$

素因数の和:63737

約数の個数: 32

約数和(自身を含む): 2728565280

約数和(自身を除く): 1329274010

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 2197, 4394, 10985, 21970, 63691, 127382, 318455, 636910, 827983, 1655966, 4139915, 8279830, 10763779, 21527558, 53818895, 107637790, 139929127, 279858254, 699645635, 1399291270]

約数ペア:

[(1, 1399291270), (2, 699645635), (5, 279858254), (10, 139929127), (13, 107637790), (26, 53818895), (65, 21527558), (130, 10763779), (169, 8279830), (338, 4139915), (845, 1655966), (1690, 827983), (2197, 636910), (4394, 318455), (10985, 127382), (21970, 63691)]