207870412

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1091}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 403603200

約数和(自身を除く): 195732788

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 109, 218, 436, 437, 874, 1091, 1748, 2071, 2182, 2507, 4142, 4364, 5014, 8284, 10028, 20729, 25093, 41458, 47633, 50186, 82916, 95266, 100372, 118919, 190532, 237838, 475676, 476767, 953534, 1907068, 2259461, 2735137, 4518922, 5470274, 9037844, 10940548, 51967603, 103935206, 207870412]

約数ペア:

[(1, 207870412), (2, 103935206), (4, 51967603), (19, 10940548), (23, 9037844), (38, 5470274), (46, 4518922), (76, 2735137), (92, 2259461), (109, 1907068), (218, 953534), (436, 476767), (437, 475676), (874, 237838), (1091, 190532), (1748, 118919), (2071, 100372), (2182, 95266), (2507, 82916), (4142, 50186), (4364, 47633), (5014, 41458), (8284, 25093), (10028, 20729)]