30890209

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{277}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 36028800

約数和(自身を除く): 5138591

約数列:

[1, 7, 89, 179, 277, 623, 1253, 1939, 15931, 24653, 49583, 111517, 172571, 347081, 4412887, 30890209]

約数ペア:

[(1, 30890209), (7, 4412887), (89, 347081), (179, 172571), (277, 111517), (623, 49583), (1253, 24653), (1939, 15931)]