81961656

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{16823}}^1$

素因数の和:16868

約数の個数: 64

約数和(自身を含む): 242265600

約数和(自身を除く): 160303944

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 29, 42, 56, 58, 84, 87, 116, 168, 174, 203, 232, 348, 406, 609, 696, 812, 1218, 1624, 2436, 4872, 16823, 33646, 50469, 67292, 100938, 117761, 134584, 201876, 235522, 353283, 403752, 471044, 487867, 706566, 942088, 975734, 1413132, 1463601, 1951468, 2826264, 2927202, 3415069, 3902936, 5854404, 6830138, 10245207, 11708808, 13660276, 20490414, 27320552, 40980828, 81961656]

約数ペア:

[(1, 81961656), (2, 40980828), (3, 27320552), (4, 20490414), (6, 13660276), (7, 11708808), (8, 10245207), (12, 6830138), (14, 5854404), (21, 3902936), (24, 3415069), (28, 2927202), (29, 2826264), (42, 1951468), (56, 1463601), (58, 1413132), (84, 975734), (87, 942088), (116, 706566), (168, 487867), (174, 471044), (203, 403752), (232, 353283), (348, 235522), (406, 201876), (609, 134584), (696, 117761), (812, 100938), (1218, 67292), (1624, 50469), (2436, 33646), (4872, 16823)]