156940385

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{27851}}^1$

素因数の和:27893

約数の個数: 24

約数和(自身を含む): 228609216

約数和(自身を除く): 71668831

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 805, 1127, 5635, 27851, 139255, 194957, 640573, 974785, 1364699, 3202865, 4484011, 6823495, 22420055, 31388077, 156940385]

約数ペア:

[(1, 156940385), (5, 31388077), (7, 22420055), (23, 6823495), (35, 4484011), (49, 3202865), (115, 1364699), (161, 974785), (245, 640573), (805, 194957), (1127, 139255), (5635, 27851)]