61990313

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 64

約数和(自身を含む): 89579520

約数和(自身を除く): 27589207

約数列:

[1, 7, 11, 17, 23, 29, 71, 77, 119, 161, 187, 203, 253, 319, 391, 493, 497, 667, 781, 1207, 1309, 1633, 1771, 2059, 2233, 2737, 3451, 4301, 4669, 5423, 5467, 7337, 8449, 11339, 11431, 13277, 14413, 17963, 22649, 27761, 30107, 35003, 37961, 47357, 51359, 79373, 92939, 124729, 125741, 158543, 194327, 245021, 305371, 331499, 385033, 520927, 805069, 873103, 2137597, 2695231, 3646489, 5635483, 8855759, 61990313]

約数ペア:

[(1, 61990313), (7, 8855759), (11, 5635483), (17, 3646489), (23, 2695231), (29, 2137597), (71, 873103), (77, 805069), (119, 520927), (161, 385033), (187, 331499), (203, 305371), (253, 245021), (319, 194327), (391, 158543), (493, 125741), (497, 124729), (667, 92939), (781, 79373), (1207, 51359), (1309, 47357), (1633, 37961), (1771, 35003), (2059, 30107), (2233, 27761), (2737, 22649), (3451, 17963), (4301, 14413), (4669, 13277), (5423, 11431), (5467, 11339), (7337, 8449)]