206810825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{379}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 292897920

約数和(自身を除く): 86087095

約数列:

[1, 5, 13, 23, 25, 65, 73, 115, 299, 325, 365, 379, 575, 949, 1495, 1679, 1825, 1895, 4745, 4927, 7475, 8395, 8717, 9475, 21827, 23725, 24635, 27667, 41975, 43585, 109135, 113321, 123175, 138335, 217925, 359671, 545675, 566605, 636341, 691675, 1798355, 2833025, 3181705, 8272433, 8991775, 15908525, 41362165, 206810825]

約数ペア:

[(1, 206810825), (5, 41362165), (13, 15908525), (23, 8991775), (25, 8272433), (65, 3181705), (73, 2833025), (115, 1798355), (299, 691675), (325, 636341), (365, 566605), (379, 545675), (575, 359671), (949, 217925), (1495, 138335), (1679, 123175), (1825, 113321), (1895, 109135), (4745, 43585), (4927, 41975), (7475, 27667), (8395, 24635), (8717, 23725), (9475, 21827)]