4320505

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:193

約数の個数: 32

約数和(自身を含む): 6393600

約数和(自身を除く): 2073095

約数列:

[1, 5, 7, 19, 35, 73, 89, 95, 133, 365, 445, 511, 623, 665, 1387, 1691, 2555, 3115, 6497, 6935, 8455, 9709, 11837, 32485, 45479, 48545, 59185, 123443, 227395, 617215, 864101, 4320505]

約数ペア:

[(1, 4320505), (5, 864101), (7, 617215), (19, 227395), (35, 123443), (73, 59185), (89, 48545), (95, 45479), (133, 32485), (365, 11837), (445, 9709), (511, 8455), (623, 6935), (665, 6497), (1387, 3115), (1691, 2555)]