28111336

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:119

約数の個数: 128

約数和(自身を含む): 68428800

約数和(自身を除く): 40317464

約数列:

[1, 2, 4, 8, 11, 17, 19, 22, 23, 34, 38, 43, 44, 46, 68, 76, 86, 88, 92, 136, 152, 172, 184, 187, 209, 253, 323, 344, 374, 391, 418, 437, 473, 506, 646, 731, 748, 782, 817, 836, 874, 946, 989, 1012, 1292, 1462, 1496, 1564, 1634, 1672, 1748, 1892, 1978, 2024, 2584, 2924, 3128, 3268, 3496, 3553, 3784, 3956, 4301, 4807, 5848, 6536, 7106, 7429, 7912, 8041, 8602, 8987, 9614, 10879, 13889, 14212, 14858, 16082, 16813, 17204, 17974, 18791, 19228, 21758, 27778, 28424, 29716, 32164, 33626, 34408, 35948, 37582, 38456, 43516, 55556, 59432, 64328, 67252, 71896, 75164, 81719, 87032, 111112, 134504, 150328, 152779, 163438, 184943, 206701, 305558, 319447, 326876, 369886, 413402, 611116, 638894, 653752, 739772, 826804, 1222232, 1277788, 1479544, 1653608, 2555576, 3513917, 7027834, 14055668, 28111336]

約数ペア:

[(1, 28111336), (2, 14055668), (4, 7027834), (8, 3513917), (11, 2555576), (17, 1653608), (19, 1479544), (22, 1277788), (23, 1222232), (34, 826804), (38, 739772), (43, 653752), (44, 638894), (46, 611116), (68, 413402), (76, 369886), (86, 326876), (88, 319447), (92, 305558), (136, 206701), (152, 184943), (172, 163438), (184, 152779), (187, 150328), (209, 134504), (253, 111112), (323, 87032), (344, 81719), (374, 75164), (391, 71896), (418, 67252), (437, 64328), (473, 59432), (506, 55556), (646, 43516), (731, 38456), (748, 37582), (782, 35948), (817, 34408), (836, 33626), (874, 32164), (946, 29716), (989, 28424), (1012, 27778), (1292, 21758), (1462, 19228), (1496, 18791), (1564, 17974), (1634, 17204), (1672, 16813), (1748, 16082), (1892, 14858), (1978, 14212), (2024, 13889), (2584, 10879), (2924, 9614), (3128, 8987), (3268, 8602), (3496, 8041), (3553, 7912), (3784, 7429), (3956, 7106), (4301, 6536), (4807, 5848)]