74387755

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:164

約数の個数: 64

約数和(自身を含む): 109670400

約数和(自身を除く): 35282645

約数列:

[1, 5, 13, 19, 29, 31, 65, 67, 95, 145, 155, 247, 335, 377, 403, 551, 589, 871, 899, 1235, 1273, 1885, 1943, 2015, 2077, 2755, 2945, 4355, 4495, 6365, 7163, 7657, 9715, 10385, 11687, 16549, 17081, 25259, 27001, 35815, 36917, 38285, 39463, 58435, 60233, 82745, 85405, 126295, 135005, 184585, 197315, 222053, 301165, 479921, 513019, 783029, 1110265, 1144427, 2399605, 2565095, 3915145, 5722135, 14877551, 74387755]

約数ペア:

[(1, 74387755), (5, 14877551), (13, 5722135), (19, 3915145), (29, 2565095), (31, 2399605), (65, 1144427), (67, 1110265), (95, 783029), (145, 513019), (155, 479921), (247, 301165), (335, 222053), (377, 197315), (403, 184585), (551, 135005), (589, 126295), (871, 85405), (899, 82745), (1235, 60233), (1273, 58435), (1885, 39463), (1943, 38285), (2015, 36917), (2077, 35815), (2755, 27001), (2945, 25259), (4355, 17081), (4495, 16549), (6365, 11687), (7163, 10385), (7657, 9715)]