28360878

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:561

約数の個数: 64

約数和(自身を含む): 70533120

約数和(自身を除く): 42172242

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 127, 182, 254, 273, 381, 409, 546, 762, 818, 889, 1227, 1651, 1778, 2454, 2667, 2863, 3302, 4953, 5317, 5334, 5726, 8589, 9906, 10634, 11557, 15951, 17178, 23114, 31902, 34671, 37219, 51943, 69342, 74438, 103886, 111657, 155829, 223314, 311658, 363601, 675259, 727202, 1090803, 1350518, 2025777, 2181606, 4051554, 4726813, 9453626, 14180439, 28360878]

約数ペア:

[(1, 28360878), (2, 14180439), (3, 9453626), (6, 4726813), (7, 4051554), (13, 2181606), (14, 2025777), (21, 1350518), (26, 1090803), (39, 727202), (42, 675259), (78, 363601), (91, 311658), (127, 223314), (182, 155829), (254, 111657), (273, 103886), (381, 74438), (409, 69342), (546, 51943), (762, 37219), (818, 34671), (889, 31902), (1227, 23114), (1651, 17178), (1778, 15951), (2454, 11557), (2667, 10634), (2863, 9906), (3302, 8589), (4953, 5726), (5317, 5334)]