288357784

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:281

約数の個数: 128

約数和(自身を含む): 673505280

約数和(自身を除く): 385147496

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 31, 44, 47, 52, 62, 88, 94, 104, 124, 143, 173, 188, 248, 286, 341, 346, 376, 403, 517, 572, 611, 682, 692, 806, 1034, 1144, 1222, 1364, 1384, 1457, 1612, 1903, 2068, 2249, 2444, 2728, 2914, 3224, 3806, 4136, 4433, 4498, 4888, 5363, 5828, 6721, 7612, 8131, 8866, 8996, 10726, 11656, 13442, 15224, 16027, 16262, 17732, 17992, 18941, 21452, 24739, 26884, 32054, 32524, 35464, 37882, 42904, 49478, 53768, 58993, 64108, 65048, 69719, 75764, 89441, 98956, 105703, 117986, 128216, 139438, 151528, 178882, 197912, 208351, 211406, 235972, 252061, 278876, 357764, 416702, 422812, 471944, 504122, 557752, 715528, 766909, 833404, 845624, 1008244, 1162733, 1533818, 1666808, 2016488, 2325466, 2772671, 3067636, 3276793, 4650932, 5545342, 6135272, 6553586, 9301864, 11090684, 13107172, 22181368, 26214344, 36044723, 72089446, 144178892, 288357784]

約数ペア:

[(1, 288357784), (2, 144178892), (4, 72089446), (8, 36044723), (11, 26214344), (13, 22181368), (22, 13107172), (26, 11090684), (31, 9301864), (44, 6553586), (47, 6135272), (52, 5545342), (62, 4650932), (88, 3276793), (94, 3067636), (104, 2772671), (124, 2325466), (143, 2016488), (173, 1666808), (188, 1533818), (248, 1162733), (286, 1008244), (341, 845624), (346, 833404), (376, 766909), (403, 715528), (517, 557752), (572, 504122), (611, 471944), (682, 422812), (692, 416702), (806, 357764), (1034, 278876), (1144, 252061), (1222, 235972), (1364, 211406), (1384, 208351), (1457, 197912), (1612, 178882), (1903, 151528), (2068, 139438), (2249, 128216), (2444, 117986), (2728, 105703), (2914, 98956), (3224, 89441), (3806, 75764), (4136, 69719), (4433, 65048), (4498, 64108), (4888, 58993), (5363, 53768), (5828, 49478), (6721, 42904), (7612, 37882), (8131, 35464), (8866, 32524), (8996, 32054), (10726, 26884), (11656, 24739), (13442, 21452), (15224, 18941), (16027, 17992), (16262, 17732)]