7131815

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:482

約数の個数: 16

約数和(自身を含む): 8853600

約数和(自身を除く): 1721785

約数列:

[1, 5, 61, 67, 305, 335, 349, 1745, 4087, 20435, 21289, 23383, 106445, 116915, 1426363, 7131815]

約数ペア:

[(1, 7131815), (5, 1426363), (61, 116915), (67, 106445), (305, 23383), (335, 21289), (349, 20435), (1745, 4087)]