30721186

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{8123}}^1$

素因数の和:8217

約数の個数: 16

約数和(自身を含む): 48354048

約数和(自身を除く): 17632862

約数列:

[1, 2, 31, 61, 62, 122, 1891, 3782, 8123, 16246, 251813, 495503, 503626, 991006, 15360593, 30721186]

約数ペア:

[(1, 30721186), (2, 15360593), (31, 991006), (61, 503626), (62, 495503), (122, 251813), (1891, 16246), (3782, 8123)]