81503072

素因数分解:

$2^5\times 7^2\times {\mathrm{59}}^1\times {\mathrm{881}}^1$

素因数の和:964

約数の個数: 72

約数和(自身を含む): 190035720

約数和(自身を除く): 108532648

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 59, 98, 112, 118, 196, 224, 236, 392, 413, 472, 784, 826, 881, 944, 1568, 1652, 1762, 1888, 2891, 3304, 3524, 5782, 6167, 6608, 7048, 11564, 12334, 13216, 14096, 23128, 24668, 28192, 43169, 46256, 49336, 51979, 86338, 92512, 98672, 103958, 172676, 197344, 207916, 345352, 363853, 415832, 690704, 727706, 831664, 1381408, 1455412, 1663328, 2546971, 2910824, 5093942, 5821648, 10187884, 11643296, 20375768, 40751536, 81503072]

約数ペア:

[(1, 81503072), (2, 40751536), (4, 20375768), (7, 11643296), (8, 10187884), (14, 5821648), (16, 5093942), (28, 2910824), (32, 2546971), (49, 1663328), (56, 1455412), (59, 1381408), (98, 831664), (112, 727706), (118, 690704), (196, 415832), (224, 363853), (236, 345352), (392, 207916), (413, 197344), (472, 172676), (784, 103958), (826, 98672), (881, 92512), (944, 86338), (1568, 51979), (1652, 49336), (1762, 46256), (1888, 43169), (2891, 28192), (3304, 24668), (3524, 23128), (5782, 14096), (6167, 13216), (6608, 12334), (7048, 11564)]