26779675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 39184992

約数和(自身を除く): 12405317

約数列:

[1, 5, 13, 17, 25, 37, 65, 85, 131, 185, 221, 325, 425, 481, 629, 655, 925, 1105, 1703, 2227, 2405, 3145, 3275, 4847, 5525, 8177, 8515, 11135, 12025, 15725, 24235, 28951, 40885, 42575, 55675, 63011, 82399, 121175, 144755, 204425, 315055, 411995, 723775, 1071187, 1575275, 2059975, 5355935, 26779675]

約数ペア:

[(1, 26779675), (5, 5355935), (13, 2059975), (17, 1575275), (25, 1071187), (37, 723775), (65, 411995), (85, 315055), (131, 204425), (185, 144755), (221, 121175), (325, 82399), (425, 63011), (481, 55675), (629, 42575), (655, 40885), (925, 28951), (1105, 24235), (1703, 15725), (2227, 12025), (2405, 11135), (3145, 8515), (3275, 8177), (4847, 5525)]