30990074

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1\times {\mathrm{653}}^1$

素因数の和:1105

約数の個数: 16

約数和(自身を含む): 47441160

約数和(自身を除く): 16451086

約数列:

[1, 2, 61, 122, 389, 653, 778, 1306, 23729, 39833, 47458, 79666, 254017, 508034, 15495037, 30990074]

約数ペア:

[(1, 30990074), (2, 15495037), (61, 508034), (122, 254017), (389, 79666), (653, 47458), (778, 39833), (1306, 23729)]