81164384

素因数分解:

$2^5\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1399}}^1$

素因数の和:1460

約数の個数: 72

約数和(自身を含む): 191041200

約数和(自身を除く): 109876816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 49, 56, 74, 98, 112, 148, 196, 224, 259, 296, 392, 518, 592, 784, 1036, 1184, 1399, 1568, 1813, 2072, 2798, 3626, 4144, 5596, 7252, 8288, 9793, 11192, 14504, 19586, 22384, 29008, 39172, 44768, 51763, 58016, 68551, 78344, 103526, 137102, 156688, 207052, 274204, 313376, 362341, 414104, 548408, 724682, 828208, 1096816, 1449364, 1656416, 2193632, 2536387, 2898728, 5072774, 5797456, 10145548, 11594912, 20291096, 40582192, 81164384]

約数ペア:

[(1, 81164384), (2, 40582192), (4, 20291096), (7, 11594912), (8, 10145548), (14, 5797456), (16, 5072774), (28, 2898728), (32, 2536387), (37, 2193632), (49, 1656416), (56, 1449364), (74, 1096816), (98, 828208), (112, 724682), (148, 548408), (196, 414104), (224, 362341), (259, 313376), (296, 274204), (392, 207052), (518, 156688), (592, 137102), (784, 103526), (1036, 78344), (1184, 68551), (1399, 58016), (1568, 51763), (1813, 44768), (2072, 39172), (2798, 29008), (3626, 22384), (4144, 19586), (5596, 14504), (7252, 11192), (8288, 9793)]