221531528

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 442411200

約数和(自身を除く): 220879672

約数列:

[1, 2, 4, 8, 41, 43, 82, 86, 113, 139, 164, 172, 226, 278, 328, 344, 452, 556, 904, 1112, 1763, 3526, 4633, 4859, 5699, 5977, 7052, 9266, 9718, 11398, 11954, 14104, 15707, 18532, 19436, 22796, 23908, 31414, 37064, 38872, 45592, 47816, 62828, 125656, 199219, 245057, 398438, 490114, 643987, 675401, 796876, 980228, 1287974, 1350802, 1593752, 1960456, 2575948, 2701604, 5151896, 5403208, 27691441, 55382882, 110765764, 221531528]

約数ペア:

[(1, 221531528), (2, 110765764), (4, 55382882), (8, 27691441), (41, 5403208), (43, 5151896), (82, 2701604), (86, 2575948), (113, 1960456), (139, 1593752), (164, 1350802), (172, 1287974), (226, 980228), (278, 796876), (328, 675401), (344, 643987), (452, 490114), (556, 398438), (904, 245057), (1112, 199219), (1763, 125656), (3526, 62828), (4633, 47816), (4859, 45592), (5699, 38872), (5977, 37064), (7052, 31414), (9266, 23908), (9718, 22796), (11398, 19436), (11954, 18532), (14104, 15707)]