64880858

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1637}}^1$

素因数の和:1814

約数の個数: 32

約数和(自身を含む): 117936000

約数和(自身を除く): 53055142

約数列:

[1, 2, 7, 14, 19, 38, 133, 149, 266, 298, 1043, 1637, 2086, 2831, 3274, 5662, 11459, 19817, 22918, 31103, 39634, 62206, 217721, 243913, 435442, 487826, 1707391, 3414782, 4634347, 9268694, 32440429, 64880858]

約数ペア:

[(1, 64880858), (2, 32440429), (7, 9268694), (14, 4634347), (19, 3414782), (38, 1707391), (133, 487826), (149, 435442), (266, 243913), (298, 217721), (1043, 62206), (1637, 39634), (2086, 31103), (2831, 22918), (3274, 19817), (5662, 11459)]