268814888

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{641}}^1$

素因数の和:786

約数の個数: 64

約数和(自身を含む): 554688000

約数和(自身を除く): 285873112

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 89, 124, 152, 178, 248, 356, 589, 641, 712, 1178, 1282, 1691, 2356, 2564, 2759, 3382, 4712, 5128, 5518, 6764, 11036, 12179, 13528, 19871, 22072, 24358, 39742, 48716, 52421, 57049, 79484, 97432, 104842, 114098, 158968, 209684, 228196, 377549, 419368, 456392, 755098, 1083931, 1510196, 1768519, 2167862, 3020392, 3537038, 4335724, 7074076, 8671448, 14148152, 33601861, 67203722, 134407444, 268814888]

約数ペア:

[(1, 268814888), (2, 134407444), (4, 67203722), (8, 33601861), (19, 14148152), (31, 8671448), (38, 7074076), (62, 4335724), (76, 3537038), (89, 3020392), (124, 2167862), (152, 1768519), (178, 1510196), (248, 1083931), (356, 755098), (589, 456392), (641, 419368), (712, 377549), (1178, 228196), (1282, 209684), (1691, 158968), (2356, 114098), (2564, 104842), (2759, 97432), (3382, 79484), (4712, 57049), (5128, 52421), (5518, 48716), (6764, 39742), (11036, 24358), (12179, 22072), (13528, 19871)]