209137586

素因数分解:

$2^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{20719}}^1$

素因数の和:20838

約数の個数: 24

約数和(自身を含む): 368484480

約数和(自身を除く): 159346894

約数列:

[1, 2, 7, 14, 49, 98, 103, 206, 721, 1442, 5047, 10094, 20719, 41438, 145033, 290066, 1015231, 2030462, 2134057, 4268114, 14938399, 29876798, 104568793, 209137586]

約数ペア:

[(1, 209137586), (2, 104568793), (7, 29876798), (14, 14938399), (49, 4268114), (98, 2134057), (103, 2030462), (206, 1015231), (721, 290066), (1442, 145033), (5047, 41438), (10094, 20719)]