2215355

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:478

約数の個数: 16

約数和(自身を含む): 2864160

約数和(自身を除く): 648805

約数列:

[1, 5, 17, 67, 85, 335, 389, 1139, 1945, 5695, 6613, 26063, 33065, 130315, 443071, 2215355]

約数ペア:

[(1, 2215355), (5, 443071), (17, 130315), (67, 33065), (85, 26063), (335, 6613), (389, 5695), (1139, 1945)]