64440951

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 93623040

約数和(自身を除く): 29182089

約数列:

[1, 3, 19, 53, 57, 83, 159, 249, 257, 771, 1007, 1577, 3021, 4399, 4731, 4883, 13197, 13621, 14649, 21331, 40863, 63993, 83581, 250743, 258799, 405289, 776397, 1130543, 1215867, 3391629, 21480317, 64440951]

約数ペア:

[(1, 64440951), (3, 21480317), (19, 3391629), (53, 1215867), (57, 1130543), (83, 776397), (159, 405289), (249, 258799), (257, 250743), (771, 83581), (1007, 63993), (1577, 40863), (3021, 21331), (4399, 14649), (4731, 13621), (4883, 13197)]