2007647705

素因数分解:

$5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{2789}}^1$

素因数の和:3089

約数の個数: 32

約数和(自身を含む): 2793035520

約数和(自身を除く): 785387815

約数列:

[1, 5, 7, 35, 131, 157, 655, 785, 917, 1099, 2789, 4585, 5495, 13945, 19523, 20567, 97615, 102835, 143969, 365359, 437873, 719845, 1826795, 2189365, 2557513, 3065111, 12787565, 15325555, 57361363, 286806815, 401529541, 2007647705]

約数ペア:

[(1, 2007647705), (5, 401529541), (7, 286806815), (35, 57361363), (131, 15325555), (157, 12787565), (655, 3065111), (785, 2557513), (917, 2189365), (1099, 1826795), (2789, 719845), (4585, 437873), (5495, 365359), (13945, 143969), (19523, 102835), (20567, 97615)]