156956189995

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{223841}}^1$

素因数の和:223948

約数の個数: 48

約数和(自身を含む): 221496135840

約数和(自身を除く): 64539945845

約数列:

[1, 5, 11, 19, 55, 61, 95, 121, 209, 305, 605, 671, 1045, 1159, 2299, 3355, 5795, 7381, 11495, 12749, 36905, 63745, 140239, 223841, 701195, 1119205, 2462251, 4252979, 12311255, 13654301, 21264895, 27084761, 46782769, 68271505, 135423805, 150197311, 233913845, 259431719, 514610459, 750986555, 1297158595, 1652170421, 2573052295, 2853748909, 8260852105, 14268744545, 31391237999, 156956189995]

約数ペア:

[(1, 156956189995), (5, 31391237999), (11, 14268744545), (19, 8260852105), (55, 2853748909), (61, 2573052295), (95, 1652170421), (121, 1297158595), (209, 750986555), (305, 514610459), (605, 259431719), (671, 233913845), (1045, 150197311), (1159, 135423805), (2299, 68271505), (3355, 46782769), (5795, 27084761), (7381, 21264895), (11495, 13654301), (12749, 12311255), (36905, 4252979), (63745, 2462251), (140239, 1119205), (223841, 701195)]