81221410

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:379

約数の個数: 64

約数和(自身を含む): 162860544

約数和(自身を除く): 81639134

約数列:

[1, 2, 5, 10, 17, 34, 41, 43, 82, 85, 86, 170, 205, 215, 271, 410, 430, 542, 697, 731, 1355, 1394, 1462, 1763, 2710, 3485, 3526, 3655, 4607, 6970, 7310, 8815, 9214, 11111, 11653, 17630, 22222, 23035, 23306, 29971, 46070, 55555, 58265, 59942, 111110, 116530, 149855, 188887, 198101, 299710, 377774, 396202, 477773, 944435, 955546, 990505, 1888870, 1981010, 2388865, 4777730, 8122141, 16244282, 40610705, 81221410]

約数ペア:

[(1, 81221410), (2, 40610705), (5, 16244282), (10, 8122141), (17, 4777730), (34, 2388865), (41, 1981010), (43, 1888870), (82, 990505), (85, 955546), (86, 944435), (170, 477773), (205, 396202), (215, 377774), (271, 299710), (410, 198101), (430, 188887), (542, 149855), (697, 116530), (731, 111110), (1355, 59942), (1394, 58265), (1462, 55555), (1763, 46070), (2710, 29971), (3485, 23306), (3526, 23035), (3655, 22222), (4607, 17630), (6970, 11653), (7310, 11111), (8815, 9214)]