128966402

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 204906240

約数和(自身を除く): 75939838

約数列:

[1, 2, 41, 47, 82, 94, 109, 218, 307, 614, 1927, 3854, 4469, 5123, 8938, 10246, 12587, 14429, 25174, 28858, 33463, 66926, 210043, 420086, 591589, 1183178, 1371983, 1572761, 2743966, 3145522, 64483201, 128966402]

約数ペア:

[(1, 128966402), (2, 64483201), (41, 3145522), (47, 2743966), (82, 1572761), (94, 1371983), (109, 1183178), (218, 591589), (307, 420086), (614, 210043), (1927, 66926), (3854, 33463), (4469, 28858), (5123, 25174), (8938, 14429), (10246, 12587)]