256399368

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{4211}}^1$

素因数の和:4322

約数の個数: 64

約数和(自身を含む): 667180800

約数和(自身を除く): 410781432

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 59, 86, 118, 129, 172, 177, 236, 258, 344, 354, 472, 516, 708, 1032, 1416, 2537, 4211, 5074, 7611, 8422, 10148, 12633, 15222, 16844, 20296, 25266, 30444, 33688, 50532, 60888, 101064, 181073, 248449, 362146, 496898, 543219, 724292, 745347, 993796, 1086438, 1448584, 1490694, 1987592, 2172876, 2981388, 4345752, 5962776, 10683307, 21366614, 32049921, 42733228, 64099842, 85466456, 128199684, 256399368]

約数ペア:

[(1, 256399368), (2, 128199684), (3, 85466456), (4, 64099842), (6, 42733228), (8, 32049921), (12, 21366614), (24, 10683307), (43, 5962776), (59, 4345752), (86, 2981388), (118, 2172876), (129, 1987592), (172, 1490694), (177, 1448584), (236, 1086438), (258, 993796), (344, 745347), (354, 724292), (472, 543219), (516, 496898), (708, 362146), (1032, 248449), (1416, 181073), (2537, 101064), (4211, 60888), (5074, 50532), (7611, 33688), (8422, 30444), (10148, 25266), (12633, 20296), (15222, 16844)]