28509362

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:410

約数の個数: 32

約数和(自身を含む): 50112000

約数和(自身を除く): 21602638

約数列:

[1, 2, 7, 14, 79, 149, 158, 173, 298, 346, 553, 1043, 1106, 1211, 2086, 2422, 11771, 13667, 23542, 25777, 27334, 51554, 82397, 95669, 164794, 180439, 191338, 360878, 2036383, 4072766, 14254681, 28509362]

約数ペア:

[(1, 28509362), (2, 14254681), (7, 4072766), (14, 2036383), (79, 360878), (149, 191338), (158, 180439), (173, 164794), (298, 95669), (346, 82397), (553, 51554), (1043, 27334), (1106, 25777), (1211, 23542), (2086, 13667), (2422, 11771)]