1321866404

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1\times {\mathrm{1613}}^1$

素因数の和:1940

約数の個数: 48

約数和(自身を含む): 2505444480

約数和(自身を除く): 1183578076

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 263, 526, 779, 1052, 1558, 1613, 3116, 3226, 4997, 6452, 9994, 10783, 19988, 21566, 30647, 43132, 61294, 66133, 122588, 132266, 204877, 264532, 409754, 424219, 819508, 848438, 1256527, 1696876, 2513054, 5026108, 8060161, 16120322, 17392979, 32240644, 34785958, 69571916, 330466601, 660933202, 1321866404]

約数ペア:

[(1, 1321866404), (2, 660933202), (4, 330466601), (19, 69571916), (38, 34785958), (41, 32240644), (76, 17392979), (82, 16120322), (164, 8060161), (263, 5026108), (526, 2513054), (779, 1696876), (1052, 1256527), (1558, 848438), (1613, 819508), (3116, 424219), (3226, 409754), (4997, 264532), (6452, 204877), (9994, 132266), (10783, 122588), (19988, 66133), (21566, 61294), (30647, 43132)]