215539885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{419}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 290304000

約数和(自身を除く): 74764115

約数列:

[1, 5, 11, 47, 55, 199, 235, 419, 517, 995, 2095, 2189, 2585, 4609, 9353, 10945, 19693, 23045, 46765, 83381, 98465, 102883, 216623, 416905, 514415, 917191, 1083115, 3918907, 4585955, 19594535, 43107977, 215539885]

約数ペア:

[(1, 215539885), (5, 43107977), (11, 19594535), (47, 4585955), (55, 3918907), (199, 1083115), (235, 917191), (419, 514415), (517, 416905), (995, 216623), (2095, 102883), (2189, 98465), (2585, 83381), (4609, 46765), (9353, 23045), (10945, 19693)]