71804290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{247601}}^1$

素因数の和:247637

約数の個数: 16

約数和(自身を含む): 133705080

約数和(自身を除く): 61900790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 247601, 495202, 1238005, 2476010, 7180429, 14360858, 35902145, 71804290]

約数ペア:

[(1, 71804290), (2, 35902145), (5, 14360858), (10, 7180429), (29, 2476010), (58, 1238005), (145, 495202), (290, 247601)]