66638845

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{877}}^1$

素因数の和:1069

約数の個数: 32

約数和(自身を含む): 99122688

約数和(自身を除く): 32483843

約数列:

[1, 5, 7, 13, 35, 65, 91, 167, 455, 835, 877, 1169, 2171, 4385, 5845, 6139, 10855, 11401, 15197, 30695, 57005, 75985, 79807, 146459, 399035, 732295, 1025213, 1903967, 5126065, 9519835, 13327769, 66638845]

約数ペア:

[(1, 66638845), (5, 13327769), (7, 9519835), (13, 5126065), (35, 1903967), (65, 1025213), (91, 732295), (167, 399035), (455, 146459), (835, 79807), (877, 75985), (1169, 57005), (2171, 30695), (4385, 15197), (5845, 11401), (6139, 10855)]