81870796

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1283}}^1$

素因数の和:1390

約数の個数: 48

約数和(自身を含む): 170843904

約数和(自身を除く): 88973108

約数列:

[1, 2, 4, 7, 14, 28, 43, 53, 86, 106, 172, 212, 301, 371, 602, 742, 1204, 1283, 1484, 2279, 2566, 4558, 5132, 8981, 9116, 15953, 17962, 31906, 35924, 55169, 63812, 67999, 110338, 135998, 220676, 271996, 386183, 475993, 772366, 951986, 1544732, 1903972, 2923957, 5847914, 11695828, 20467699, 40935398, 81870796]

約数ペア:

[(1, 81870796), (2, 40935398), (4, 20467699), (7, 11695828), (14, 5847914), (28, 2923957), (43, 1903972), (53, 1544732), (86, 951986), (106, 772366), (172, 475993), (212, 386183), (301, 271996), (371, 220676), (602, 135998), (742, 110338), (1204, 67999), (1283, 63812), (1484, 55169), (2279, 35924), (2566, 31906), (4558, 17962), (5132, 15953), (8981, 9116)]