218799664

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 457113600

約数和(自身を除く): 238313936

約数列:

[1, 2, 4, 8, 16, 29, 47, 58, 79, 94, 116, 127, 158, 188, 232, 254, 316, 376, 464, 508, 632, 752, 1016, 1264, 1363, 2032, 2291, 2726, 3683, 3713, 4582, 5452, 5969, 7366, 7426, 9164, 10033, 10904, 11938, 14732, 14852, 18328, 20066, 21808, 23876, 29464, 29704, 36656, 40132, 47752, 58928, 59408, 80264, 95504, 107677, 160528, 173101, 215354, 290957, 346202, 430708, 471551, 581914, 692404, 861416, 943102, 1163828, 1384808, 1722832, 1886204, 2327656, 2769616, 3772408, 4655312, 7544816, 13674979, 27349958, 54699916, 109399832, 218799664]

約数ペア:

[(1, 218799664), (2, 109399832), (4, 54699916), (8, 27349958), (16, 13674979), (29, 7544816), (47, 4655312), (58, 3772408), (79, 2769616), (94, 2327656), (116, 1886204), (127, 1722832), (158, 1384808), (188, 1163828), (232, 943102), (254, 861416), (316, 692404), (376, 581914), (464, 471551), (508, 430708), (632, 346202), (752, 290957), (1016, 215354), (1264, 173101), (1363, 160528), (2032, 107677), (2291, 95504), (2726, 80264), (3683, 59408), (3713, 58928), (4582, 47752), (5452, 40132), (5969, 36656), (7366, 29704), (7426, 29464), (9164, 23876), (10033, 21808), (10904, 20066), (11938, 18328), (14732, 14852)]