821964

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 2257920

約数和(自身を除く): 1435956

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 479, 572, 858, 958, 1437, 1716, 1916, 2874, 5269, 5748, 6227, 10538, 12454, 15807, 18681, 21076, 24908, 31614, 37362, 63228, 68497, 74724, 136994, 205491, 273988, 410982, 821964]

約数ペア:

[(1, 821964), (2, 410982), (3, 273988), (4, 205491), (6, 136994), (11, 74724), (12, 68497), (13, 63228), (22, 37362), (26, 31614), (33, 24908), (39, 21076), (44, 18681), (52, 15807), (66, 12454), (78, 10538), (132, 6227), (143, 5748), (156, 5269), (286, 2874), (429, 1916), (479, 1716), (572, 1437), (858, 958)]