17988804535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2129}}^1\times {\mathrm{2131}}^1$

素因数の和:4339

約数の個数: 32

約数和(自身を含む): 23650361280

約数和(自身を除く): 5661556745

約数列:

[1, 5, 13, 61, 65, 305, 793, 2129, 2131, 3965, 10645, 10655, 27677, 27703, 129869, 129991, 138385, 138515, 649345, 649955, 1688297, 1689883, 4536899, 8441485, 8449415, 22684495, 58979687, 276750839, 294898435, 1383754195, 3597760907, 17988804535]

約数ペア:

[(1, 17988804535), (5, 3597760907), (13, 1383754195), (61, 294898435), (65, 276750839), (305, 58979687), (793, 22684495), (2129, 8449415), (2131, 8441485), (3965, 4536899), (10645, 1689883), (10655, 1688297), (27677, 649955), (27703, 649345), (129869, 138515), (129991, 138385)]