1321648

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:181

約数の個数: 40

約数和(自身を含む): 2798928

約数和(自身を除く): 1477280

約数列:

[1, 2, 4, 8, 16, 17, 34, 43, 68, 86, 113, 136, 172, 226, 272, 344, 452, 688, 731, 904, 1462, 1808, 1921, 2924, 3842, 4859, 5848, 7684, 9718, 11696, 15368, 19436, 30736, 38872, 77744, 82603, 165206, 330412, 660824, 1321648]

約数ペア:

[(1, 1321648), (2, 660824), (4, 330412), (8, 165206), (16, 82603), (17, 77744), (34, 38872), (43, 30736), (68, 19436), (86, 15368), (113, 11696), (136, 9718), (172, 7684), (226, 5848), (272, 4859), (344, 3842), (452, 2924), (688, 1921), (731, 1808), (904, 1462)]