15891005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 22153824

約数和(自身を除く): 6262819

約数列:

[1, 5, 13, 17, 65, 73, 85, 197, 221, 365, 949, 985, 1105, 1241, 2561, 3349, 4745, 6205, 12805, 14381, 16133, 16745, 43537, 71905, 80665, 186953, 217685, 244477, 934765, 1222385, 3178201, 15891005]

約数ペア:

[(1, 15891005), (5, 3178201), (13, 1222385), (17, 934765), (65, 244477), (73, 217685), (85, 186953), (197, 80665), (221, 71905), (365, 43537), (949, 16745), (985, 16133), (1105, 14381), (1241, 12805), (2561, 6205), (3349, 4745)]