28335736

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:125

約数の個数: 128

約数和(自身を含む): 69672960

約数和(自身を除く): 41337224

約数列:

[1, 2, 4, 8, 11, 13, 17, 22, 26, 31, 34, 44, 47, 52, 62, 68, 88, 94, 104, 124, 136, 143, 187, 188, 221, 248, 286, 341, 374, 376, 403, 442, 517, 527, 572, 611, 682, 748, 799, 806, 884, 1034, 1054, 1144, 1222, 1364, 1457, 1496, 1598, 1612, 1768, 2068, 2108, 2431, 2444, 2728, 2914, 3196, 3224, 4136, 4216, 4433, 4862, 4888, 5797, 5828, 6392, 6721, 6851, 8789, 8866, 9724, 10387, 11594, 11656, 13442, 13702, 16027, 17578, 17732, 18941, 19448, 20774, 23188, 24769, 26884, 27404, 32054, 35156, 35464, 37882, 41548, 46376, 49538, 53768, 54808, 64108, 70312, 75361, 75764, 83096, 99076, 114257, 128216, 150722, 151528, 198152, 208351, 228514, 272459, 301444, 321997, 416702, 457028, 544918, 602888, 643994, 833404, 914056, 1089836, 1287988, 1666808, 2179672, 2575976, 3541967, 7083934, 14167868, 28335736]

約数ペア:

[(1, 28335736), (2, 14167868), (4, 7083934), (8, 3541967), (11, 2575976), (13, 2179672), (17, 1666808), (22, 1287988), (26, 1089836), (31, 914056), (34, 833404), (44, 643994), (47, 602888), (52, 544918), (62, 457028), (68, 416702), (88, 321997), (94, 301444), (104, 272459), (124, 228514), (136, 208351), (143, 198152), (187, 151528), (188, 150722), (221, 128216), (248, 114257), (286, 99076), (341, 83096), (374, 75764), (376, 75361), (403, 70312), (442, 64108), (517, 54808), (527, 53768), (572, 49538), (611, 46376), (682, 41548), (748, 37882), (799, 35464), (806, 35156), (884, 32054), (1034, 27404), (1054, 26884), (1144, 24769), (1222, 23188), (1364, 20774), (1457, 19448), (1496, 18941), (1598, 17732), (1612, 17578), (1768, 16027), (2068, 13702), (2108, 13442), (2431, 11656), (2444, 11594), (2728, 10387), (2914, 9724), (3196, 8866), (3224, 8789), (4136, 6851), (4216, 6721), (4433, 6392), (4862, 5828), (4888, 5797)]