73420865

素因数分解:

$5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{1381}}^1$

素因数の和:1438

約数の個数: 32

約数和(自身を含む): 106137600

約数和(自身を除く): 32716735

約数列:

[1, 5, 7, 31, 35, 49, 155, 217, 245, 343, 1085, 1381, 1519, 1715, 6905, 7595, 9667, 10633, 42811, 48335, 53165, 67669, 214055, 299677, 338345, 473683, 1498385, 2097739, 2368415, 10488695, 14684173, 73420865]

約数ペア:

[(1, 73420865), (5, 14684173), (7, 10488695), (31, 2368415), (35, 2097739), (49, 1498385), (155, 473683), (217, 338345), (245, 299677), (343, 214055), (1085, 67669), (1381, 53165), (1519, 48335), (1715, 42811), (6905, 10633), (7595, 9667)]