219954856

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{19681}}^1$

素因数の和:19825

約数の個数: 32

約数和(自身を含む): 453473280

約数和(自身を除く): 233518424

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 127, 254, 508, 1016, 1397, 2794, 5588, 11176, 19681, 39362, 78724, 157448, 216491, 432982, 865964, 1731928, 2499487, 4998974, 9997948, 19995896, 27494357, 54988714, 109977428, 219954856]

約数ペア:

[(1, 219954856), (2, 109977428), (4, 54988714), (8, 27494357), (11, 19995896), (22, 9997948), (44, 4998974), (88, 2499487), (127, 1731928), (254, 865964), (508, 432982), (1016, 216491), (1397, 157448), (2794, 78724), (5588, 39362), (11176, 19681)]