81246830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{28309}}^1$

素因数の和:28364

約数の個数: 32

約数和(自身を含む): 171218880

約数和(自身を除く): 89972050

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 28309, 56618, 141545, 198163, 283090, 396326, 990815, 1160669, 1981630, 2321338, 5803345, 8124683, 11606690, 16249366, 40623415, 81246830]

約数ペア:

[(1, 81246830), (2, 40623415), (5, 16249366), (7, 11606690), (10, 8124683), (14, 5803345), (35, 2321338), (41, 1981630), (70, 1160669), (82, 990815), (205, 396326), (287, 283090), (410, 198163), (574, 141545), (1435, 56618), (2870, 28309)]