207813565

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{21391}}^1$

素因数の和:21492

約数の個数: 16

約数和(自身を含む): 261838080

約数和(自身を除く): 54024515

約数列:

[1, 5, 29, 67, 145, 335, 1943, 9715, 21391, 106955, 620339, 1433197, 3101695, 7165985, 41562713, 207813565]

約数ペア:

[(1, 207813565), (5, 41562713), (29, 7165985), (67, 3101695), (145, 1433197), (335, 620339), (1943, 106955), (9715, 21391)]