218821408

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{2297}}^1$

素因数の和:2549

約数の個数: 48

約数和(自身を含む): 466172280

約数和(自身を除く): 247350872

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 229, 416, 458, 916, 1832, 2297, 2977, 3664, 4594, 5954, 7328, 9188, 11908, 18376, 23816, 29861, 36752, 47632, 59722, 73504, 95264, 119444, 238888, 477776, 526013, 955552, 1052026, 2104052, 4208104, 6838169, 8416208, 13676338, 16832416, 27352676, 54705352, 109410704, 218821408]

約数ペア:

[(1, 218821408), (2, 109410704), (4, 54705352), (8, 27352676), (13, 16832416), (16, 13676338), (26, 8416208), (32, 6838169), (52, 4208104), (104, 2104052), (208, 1052026), (229, 955552), (416, 526013), (458, 477776), (916, 238888), (1832, 119444), (2297, 95264), (2977, 73504), (3664, 59722), (4594, 47632), (5954, 36752), (7328, 29861), (9188, 23816), (11908, 18376)]