215954864

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{106277}}^1$

素因数の和:106412

約数の個数: 20

約数和(自身を含む): 421711104

約数和(自身を除く): 205756240

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 106277, 212554, 425108, 850216, 1700432, 13497179, 26994358, 53988716, 107977432, 215954864]

約数ペア:

[(1, 215954864), (2, 107977432), (4, 53988716), (8, 26994358), (16, 13497179), (127, 1700432), (254, 850216), (508, 425108), (1016, 212554), (2032, 106277)]