27987784

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{997}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 59730300

約数和(自身を除く): 31742516

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 88, 116, 121, 232, 242, 319, 484, 638, 968, 997, 1276, 1994, 2552, 3509, 3988, 7018, 7976, 10967, 14036, 21934, 28072, 28913, 43868, 57826, 87736, 115652, 120637, 231304, 241274, 318043, 482548, 636086, 965096, 1272172, 2544344, 3498473, 6996946, 13993892, 27987784]

約数ペア:

[(1, 27987784), (2, 13993892), (4, 6996946), (8, 3498473), (11, 2544344), (22, 1272172), (29, 965096), (44, 636086), (58, 482548), (88, 318043), (116, 241274), (121, 231304), (232, 120637), (242, 115652), (319, 87736), (484, 57826), (638, 43868), (968, 28913), (997, 28072), (1276, 21934), (1994, 14036), (2552, 10967), (3509, 7976), (3988, 7018)]