217698532

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{12457}}^1$

素因数の和:12735

約数の個数: 24

約数和(自身を含む): 404984664

約数和(自身を除く): 187286132

約数列:

[1, 2, 4, 17, 34, 68, 257, 514, 1028, 4369, 8738, 12457, 17476, 24914, 49828, 211769, 423538, 847076, 3201449, 6402898, 12805796, 54424633, 108849266, 217698532]

約数ペア:

[(1, 217698532), (2, 108849266), (4, 54424633), (17, 12805796), (34, 6402898), (68, 3201449), (257, 847076), (514, 423538), (1028, 211769), (4369, 49828), (8738, 24914), (12457, 17476)]