256419908

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{307}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 486186624

約数和(自身を除く): 229766716

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 173, 284, 307, 346, 614, 692, 1207, 1228, 2414, 2941, 4828, 5219, 5882, 10438, 11764, 12283, 20876, 21797, 24566, 43594, 49132, 53111, 87188, 106222, 208811, 212444, 370549, 417622, 741098, 835244, 902887, 1482196, 1805774, 3611548, 3770881, 7541762, 15083524, 64104977, 128209954, 256419908]

約数ペア:

[(1, 256419908), (2, 128209954), (4, 64104977), (17, 15083524), (34, 7541762), (68, 3770881), (71, 3611548), (142, 1805774), (173, 1482196), (284, 902887), (307, 835244), (346, 741098), (614, 417622), (692, 370549), (1207, 212444), (1228, 208811), (2414, 106222), (2941, 87188), (4828, 53111), (5219, 49132), (5882, 43594), (10438, 24566), (11764, 21797), (12283, 20876)]