1215245590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{27739}}^1$

素因数の和:28096

約数の個数: 32

約数和(自身を含む): 2362782240

約数和(自身を除く): 1147536650

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 337, 674, 1685, 3370, 4381, 8762, 21905, 27739, 43810, 55478, 138695, 277390, 360607, 721214, 1803035, 3606070, 9348043, 18696086, 46740215, 93480430, 121524559, 243049118, 607622795, 1215245590]

約数ペア:

[(1, 1215245590), (2, 607622795), (5, 243049118), (10, 121524559), (13, 93480430), (26, 46740215), (65, 18696086), (130, 9348043), (337, 3606070), (674, 1803035), (1685, 721214), (3370, 360607), (4381, 277390), (8762, 138695), (21905, 55478), (27739, 43810)]