28320642

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3079}}^1$

素因数の和:3167

約数の個数: 48

約数和(自身を含む): 71111040

約数和(自身を除く): 42790398

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 73, 126, 146, 219, 438, 511, 657, 1022, 1314, 1533, 3066, 3079, 4599, 6158, 9198, 9237, 18474, 21553, 27711, 43106, 55422, 64659, 129318, 193977, 224767, 387954, 449534, 674301, 1348602, 1573369, 2022903, 3146738, 4045806, 4720107, 9440214, 14160321, 28320642]

約数ペア:

[(1, 28320642), (2, 14160321), (3, 9440214), (6, 4720107), (7, 4045806), (9, 3146738), (14, 2022903), (18, 1573369), (21, 1348602), (42, 674301), (63, 449534), (73, 387954), (126, 224767), (146, 193977), (219, 129318), (438, 64659), (511, 55422), (657, 43106), (1022, 27711), (1314, 21553), (1533, 18474), (3066, 9237), (3079, 9198), (4599, 6158)]