256942928

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{76837}}^1$

素因数の和:76875

約数の個数: 40

約数和(自身を含む): 571674720

約数和(自身を除く): 314731792

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 76837, 153674, 307348, 614696, 845207, 1229392, 1459903, 1690414, 2919806, 3380828, 5839612, 6761656, 11679224, 13523312, 16058933, 23358448, 32117866, 64235732, 128471464, 256942928]

約数ペア:

[(1, 256942928), (2, 128471464), (4, 64235732), (8, 32117866), (11, 23358448), (16, 16058933), (19, 13523312), (22, 11679224), (38, 6761656), (44, 5839612), (76, 3380828), (88, 2919806), (152, 1690414), (176, 1459903), (209, 1229392), (304, 845207), (418, 614696), (836, 307348), (1672, 153674), (3344, 76837)]