81532472

素因数分解:

$2^3\times 7^3\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:761

約数の個数: 64

約数和(自身を含む): 182688000

約数和(自身を除く): 101155528

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 49, 56, 86, 98, 172, 196, 301, 343, 344, 392, 602, 686, 691, 1204, 1372, 1382, 2107, 2408, 2744, 2764, 4214, 4837, 5528, 8428, 9674, 14749, 16856, 19348, 29498, 29713, 33859, 38696, 58996, 59426, 67718, 117992, 118852, 135436, 207991, 237013, 237704, 270872, 415982, 474026, 831964, 948052, 1455937, 1663928, 1896104, 2911874, 5823748, 10191559, 11647496, 20383118, 40766236, 81532472]

約数ペア:

[(1, 81532472), (2, 40766236), (4, 20383118), (7, 11647496), (8, 10191559), (14, 5823748), (28, 2911874), (43, 1896104), (49, 1663928), (56, 1455937), (86, 948052), (98, 831964), (172, 474026), (196, 415982), (301, 270872), (343, 237704), (344, 237013), (392, 207991), (602, 135436), (686, 118852), (691, 117992), (1204, 67718), (1372, 59426), (1382, 58996), (2107, 38696), (2408, 33859), (2744, 29713), (2764, 29498), (4214, 19348), (4837, 16856), (5528, 14749), (8428, 9674)]