139720988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{52057}}^1$

素因数の和:52133

約数の個数: 24

約数和(自身を含む): 271118064

約数和(自身を除く): 131397076

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 52057, 104114, 208228, 572627, 1145254, 2290508, 3175477, 6350954, 12701908, 34930247, 69860494, 139720988]

約数ペア:

[(1, 139720988), (2, 69860494), (4, 34930247), (11, 12701908), (22, 6350954), (44, 3175477), (61, 2290508), (122, 1145254), (244, 572627), (671, 208228), (1342, 104114), (2684, 52057)]