68478725

素因数分解:

$5^2\times 7^2\times {\mathrm{55901}}^1$

素因数の和:55925

約数の個数: 18

約数和(自身を含む): 98778834

約数和(自身を除く): 30300109

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 55901, 279505, 391307, 1397525, 1956535, 2739149, 9782675, 13695745, 68478725]

約数ペア:

[(1, 68478725), (5, 13695745), (7, 9782675), (25, 2739149), (35, 1956535), (49, 1397525), (175, 391307), (245, 279505), (1225, 55901)]