90226864

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2058

約数の個数: 80

約数和(自身を含む): 222208000

約数和(自身を除く): 131981136

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 248, 364, 403, 434, 496, 728, 806, 868, 1456, 1612, 1736, 1999, 2821, 3224, 3472, 3998, 5642, 6448, 7996, 11284, 13993, 15992, 22568, 25987, 27986, 31984, 45136, 51974, 55972, 61969, 103948, 111944, 123938, 181909, 207896, 223888, 247876, 363818, 415792, 433783, 495752, 727636, 805597, 867566, 991504, 1455272, 1611194, 1735132, 2910544, 3222388, 3470264, 5639179, 6444776, 6940528, 11278358, 12889552, 22556716, 45113432, 90226864]

約数ペア:

[(1, 90226864), (2, 45113432), (4, 22556716), (7, 12889552), (8, 11278358), (13, 6940528), (14, 6444776), (16, 5639179), (26, 3470264), (28, 3222388), (31, 2910544), (52, 1735132), (56, 1611194), (62, 1455272), (91, 991504), (104, 867566), (112, 805597), (124, 727636), (182, 495752), (208, 433783), (217, 415792), (248, 363818), (364, 247876), (403, 223888), (434, 207896), (496, 181909), (728, 123938), (806, 111944), (868, 103948), (1456, 61969), (1612, 55972), (1736, 51974), (1999, 45136), (2821, 31984), (3224, 27986), (3472, 25987), (3998, 22568), (5642, 15992), (6448, 13993), (7996, 11284)]