28743335

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1\times {\mathrm{359}}^1$

素因数の和:670

約数の個数: 16

約数和(自身を含む): 35251200

約数和(自身を除く): 6507865

約数列:

[1, 5, 67, 239, 335, 359, 1195, 1795, 16013, 24053, 80065, 85801, 120265, 429005, 5748667, 28743335]

約数ペア:

[(1, 28743335), (5, 5748667), (67, 429005), (239, 120265), (335, 85801), (359, 80065), (1195, 24053), (1795, 16013)]