81356594

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^2$

素因数の和:263

約数の個数: 48

約数和(自身を含む): 149778720

約数和(自身を除く): 68422126

約数列:

[1, 2, 11, 17, 19, 22, 34, 38, 107, 187, 209, 214, 323, 374, 418, 646, 1177, 1819, 2033, 2354, 3553, 3638, 4066, 7106, 11449, 20009, 22363, 22898, 34561, 40018, 44726, 69122, 125939, 194633, 217531, 251878, 380171, 389266, 435062, 760342, 2140963, 2392841, 3698027, 4281926, 4785682, 7396054, 40678297, 81356594]

約数ペア:

[(1, 81356594), (2, 40678297), (11, 7396054), (17, 4785682), (19, 4281926), (22, 3698027), (34, 2392841), (38, 2140963), (107, 760342), (187, 435062), (209, 389266), (214, 380171), (323, 251878), (374, 217531), (418, 194633), (646, 125939), (1177, 69122), (1819, 44726), (2033, 40018), (2354, 34561), (3553, 22898), (3638, 22363), (4066, 20009), (7106, 11449)]