81207896

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:577

約数の個数: 96

約数和(自身を含む): 198838800

約数和(自身を除く): 117630904

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 37, 44, 49, 56, 74, 77, 88, 98, 148, 154, 196, 259, 296, 308, 392, 407, 509, 518, 539, 616, 814, 1018, 1036, 1078, 1628, 1813, 2036, 2072, 2156, 2849, 3256, 3563, 3626, 4072, 4312, 5599, 5698, 7126, 7252, 11198, 11396, 14252, 14504, 18833, 19943, 22396, 22792, 24941, 28504, 37666, 39193, 39886, 44792, 49882, 75332, 78386, 79772, 99764, 131831, 150664, 156772, 159544, 199528, 207163, 263662, 274351, 313544, 414326, 527324, 548702, 828652, 922817, 1054648, 1097404, 1450141, 1657304, 1845634, 2194808, 2900282, 3691268, 5800564, 7382536, 10150987, 11601128, 20301974, 40603948, 81207896]

約数ペア:

[(1, 81207896), (2, 40603948), (4, 20301974), (7, 11601128), (8, 10150987), (11, 7382536), (14, 5800564), (22, 3691268), (28, 2900282), (37, 2194808), (44, 1845634), (49, 1657304), (56, 1450141), (74, 1097404), (77, 1054648), (88, 922817), (98, 828652), (148, 548702), (154, 527324), (196, 414326), (259, 313544), (296, 274351), (308, 263662), (392, 207163), (407, 199528), (509, 159544), (518, 156772), (539, 150664), (616, 131831), (814, 99764), (1018, 79772), (1036, 78386), (1078, 75332), (1628, 49882), (1813, 44792), (2036, 39886), (2072, 39193), (2156, 37666), (2849, 28504), (3256, 24941), (3563, 22792), (3626, 22396), (4072, 19943), (4312, 18833), (5599, 14504), (5698, 14252), (7126, 11396), (7252, 11198)]