81576224

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{641}}^1$

素因数の和:789

約数の個数: 48

約数和(自身を含む): 166475736

約数和(自身を除く): 84899512

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 97, 164, 194, 328, 388, 641, 656, 776, 1282, 1312, 1552, 2564, 3104, 3977, 5128, 7954, 10256, 15908, 20512, 26281, 31816, 52562, 62177, 63632, 105124, 124354, 127264, 210248, 248708, 420496, 497416, 840992, 994832, 1989664, 2549257, 5098514, 10197028, 20394056, 40788112, 81576224]

約数ペア:

[(1, 81576224), (2, 40788112), (4, 20394056), (8, 10197028), (16, 5098514), (32, 2549257), (41, 1989664), (82, 994832), (97, 840992), (164, 497416), (194, 420496), (328, 248708), (388, 210248), (641, 127264), (656, 124354), (776, 105124), (1282, 63632), (1312, 62177), (1552, 52562), (2564, 31816), (3104, 26281), (3977, 20512), (5128, 15908), (7954, 10256)]