219787788

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{229}}^1\times {\mathrm{661}}^1$

素因数の和:919

約数の個数: 72

約数和(自身を含む): 567016240

約数和(自身を除く): 347228452

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 121, 132, 229, 242, 363, 458, 484, 661, 687, 726, 916, 1322, 1374, 1452, 1983, 2519, 2644, 2748, 3966, 5038, 7271, 7557, 7932, 10076, 14542, 15114, 21813, 27709, 29084, 30228, 43626, 55418, 79981, 83127, 87252, 110836, 151369, 159962, 166254, 239943, 302738, 319924, 332508, 454107, 479886, 605476, 908214, 959772, 1665059, 1816428, 3330118, 4995177, 6660236, 9990354, 18315649, 19980708, 36631298, 54946947, 73262596, 109893894, 219787788]

約数ペア:

[(1, 219787788), (2, 109893894), (3, 73262596), (4, 54946947), (6, 36631298), (11, 19980708), (12, 18315649), (22, 9990354), (33, 6660236), (44, 4995177), (66, 3330118), (121, 1816428), (132, 1665059), (229, 959772), (242, 908214), (363, 605476), (458, 479886), (484, 454107), (661, 332508), (687, 319924), (726, 302738), (916, 239943), (1322, 166254), (1374, 159962), (1452, 151369), (1983, 110836), (2519, 87252), (2644, 83127), (2748, 79981), (3966, 55418), (5038, 43626), (7271, 30228), (7557, 29084), (7932, 27709), (10076, 21813), (14542, 15114)]