438244768

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2070

約数の個数: 96

約数和(自身を含む): 1016064000

約数和(自身を除く): 577819232

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 31, 32, 34, 52, 62, 68, 104, 124, 136, 208, 221, 248, 272, 403, 416, 442, 496, 527, 544, 806, 884, 992, 1054, 1612, 1768, 1999, 2108, 3224, 3536, 3998, 4216, 6448, 6851, 7072, 7996, 8432, 12896, 13702, 15992, 16864, 25987, 27404, 31984, 33983, 51974, 54808, 61969, 63968, 67966, 103948, 109616, 123938, 135932, 207896, 219232, 247876, 271864, 415792, 441779, 495752, 543728, 805597, 831584, 883558, 991504, 1053473, 1087456, 1611194, 1767116, 1983008, 2106946, 3222388, 3534232, 4213892, 6444776, 7068464, 8427784, 12889552, 13695149, 14136928, 16855568, 25779104, 27390298, 33711136, 54780596, 109561192, 219122384, 438244768]

約数ペア:

[(1, 438244768), (2, 219122384), (4, 109561192), (8, 54780596), (13, 33711136), (16, 27390298), (17, 25779104), (26, 16855568), (31, 14136928), (32, 13695149), (34, 12889552), (52, 8427784), (62, 7068464), (68, 6444776), (104, 4213892), (124, 3534232), (136, 3222388), (208, 2106946), (221, 1983008), (248, 1767116), (272, 1611194), (403, 1087456), (416, 1053473), (442, 991504), (496, 883558), (527, 831584), (544, 805597), (806, 543728), (884, 495752), (992, 441779), (1054, 415792), (1612, 271864), (1768, 247876), (1999, 219232), (2108, 207896), (3224, 135932), (3536, 123938), (3998, 109616), (4216, 103948), (6448, 67966), (6851, 63968), (7072, 61969), (7996, 54808), (8432, 51974), (12896, 33983), (13702, 31984), (15992, 27404), (16864, 25987)]