30878141

素因数分解:

$7^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{223}}^1$

素因数の和:512

約数の個数: 16

約数和(自身を含む): 35954688

約数和(自身を除く): 5076547

約数列:

[1, 7, 131, 151, 223, 917, 1057, 1561, 19781, 29213, 33673, 138467, 204491, 235711, 4411163, 30878141]

約数ペア:

[(1, 30878141), (7, 4411163), (131, 235711), (151, 204491), (223, 138467), (917, 33673), (1057, 29213), (1561, 19781)]