64111928

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1999}}^1$

素因数の和:2235

約数の個数: 32

約数和(自身を含む): 127200000

約数和(自身を除く): 63088072

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 211, 422, 844, 1688, 1999, 3998, 4009, 7996, 8018, 15992, 16036, 32072, 37981, 75962, 151924, 303848, 421789, 843578, 1687156, 3374312, 8013991, 16027982, 32055964, 64111928]

約数ペア:

[(1, 64111928), (2, 32055964), (4, 16027982), (8, 8013991), (19, 3374312), (38, 1687156), (76, 843578), (152, 421789), (211, 303848), (422, 151924), (844, 75962), (1688, 37981), (1999, 32072), (3998, 16036), (4009, 15992), (7996, 8018)]