255145644

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1753}}^1$

素因数の和:2087

約数の個数: 72

約数和(自身を含む): 697193952

約数和(自身を除く): 442048308

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 311, 468, 622, 933, 1244, 1753, 1866, 2799, 3506, 3732, 4043, 5259, 5598, 7012, 8086, 10518, 11196, 12129, 15777, 16172, 21036, 22789, 24258, 31554, 36387, 45578, 48516, 63108, 68367, 72774, 91156, 136734, 145548, 205101, 273468, 410202, 545183, 820404, 1090366, 1635549, 2180732, 3271098, 4906647, 6542196, 7087379, 9813294, 14174758, 19626588, 21262137, 28349516, 42524274, 63786411, 85048548, 127572822, 255145644]

約数ペア:

[(1, 255145644), (2, 127572822), (3, 85048548), (4, 63786411), (6, 42524274), (9, 28349516), (12, 21262137), (13, 19626588), (18, 14174758), (26, 9813294), (36, 7087379), (39, 6542196), (52, 4906647), (78, 3271098), (117, 2180732), (156, 1635549), (234, 1090366), (311, 820404), (468, 545183), (622, 410202), (933, 273468), (1244, 205101), (1753, 145548), (1866, 136734), (2799, 91156), (3506, 72774), (3732, 68367), (4043, 63108), (5259, 48516), (5598, 45578), (7012, 36387), (8086, 31554), (10518, 24258), (11196, 22789), (12129, 21036), (15777, 16172)]