338978885

素因数分解:

$5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1\times {\mathrm{233}}^1$

素因数の和:653

約数の個数: 32

約数和(自身を含む): 471474432

約数和(自身を除く): 132495547

約数列:

[1, 5, 7, 35, 197, 211, 233, 985, 1055, 1165, 1379, 1477, 1631, 6895, 7385, 8155, 41567, 45901, 49163, 207835, 229505, 245815, 290969, 321307, 344141, 1454845, 1606535, 1720705, 9685111, 48425555, 67795777, 338978885]

約数ペア:

[(1, 338978885), (5, 67795777), (7, 48425555), (35, 9685111), (197, 1720705), (211, 1606535), (233, 1454845), (985, 344141), (1055, 321307), (1165, 290969), (1379, 245815), (1477, 229505), (1631, 207835), (6895, 49163), (7385, 45901), (8155, 41567)]