661566455555

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{1187}}^1\times {\mathrm{23813}}^1$

素因数の和:25187

約数の個数: 32

約数和(自身を含む): 825645477888

約数和(自身を除く): 164079022333

約数列:

[1, 5, 31, 151, 155, 755, 1187, 4681, 5935, 23405, 23813, 36797, 119065, 179237, 183985, 738203, 896185, 3595763, 3691015, 5556347, 17978815, 27781735, 28266031, 111468653, 141330155, 557343265, 876246961, 4268170681, 4381234805, 21340853405, 132313291111, 661566455555]

約数ペア:

[(1, 661566455555), (5, 132313291111), (31, 21340853405), (151, 4381234805), (155, 4268170681), (755, 876246961), (1187, 557343265), (4681, 141330155), (5935, 111468653), (23405, 28266031), (23813, 27781735), (36797, 17978815), (119065, 5556347), (179237, 3691015), (183985, 3595763), (738203, 896185)]