245062688

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{613}}^1$

素因数の和:698

約数の個数: 72

約数和(自身を含む): 537757164

約数和(自身を除く): 292694476

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 613, 806, 961, 992, 1226, 1612, 1922, 2452, 3224, 3844, 4904, 6448, 7688, 7969, 9808, 12493, 12896, 15376, 15938, 19003, 19616, 24986, 30752, 31876, 38006, 49972, 63752, 76012, 99944, 127504, 152024, 199888, 247039, 255008, 304048, 399776, 494078, 589093, 608096, 988156, 1178186, 1976312, 2356372, 3952624, 4712744, 7658209, 7905248, 9425488, 15316418, 18850976, 30632836, 61265672, 122531344, 245062688]

約数ペア:

[(1, 245062688), (2, 122531344), (4, 61265672), (8, 30632836), (13, 18850976), (16, 15316418), (26, 9425488), (31, 7905248), (32, 7658209), (52, 4712744), (62, 3952624), (104, 2356372), (124, 1976312), (208, 1178186), (248, 988156), (403, 608096), (416, 589093), (496, 494078), (613, 399776), (806, 304048), (961, 255008), (992, 247039), (1226, 199888), (1612, 152024), (1922, 127504), (2452, 99944), (3224, 76012), (3844, 63752), (4904, 49972), (6448, 38006), (7688, 31876), (7969, 30752), (9808, 24986), (12493, 19616), (12896, 19003), (15376, 15938)]