261738168

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{1381}}^1$

素因数の和:1592

約数の個数: 64

約数和(自身を含む): 671652000

約数和(自身を除く): 409913832

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 149, 159, 212, 298, 318, 424, 447, 596, 636, 894, 1192, 1272, 1381, 1788, 2762, 3576, 4143, 5524, 7897, 8286, 11048, 15794, 16572, 23691, 31588, 33144, 47382, 63176, 73193, 94764, 146386, 189528, 205769, 219579, 292772, 411538, 439158, 585544, 617307, 823076, 878316, 1234614, 1646152, 1756632, 2469228, 4938456, 10905757, 21811514, 32717271, 43623028, 65434542, 87246056, 130869084, 261738168]

約数ペア:

[(1, 261738168), (2, 130869084), (3, 87246056), (4, 65434542), (6, 43623028), (8, 32717271), (12, 21811514), (24, 10905757), (53, 4938456), (106, 2469228), (149, 1756632), (159, 1646152), (212, 1234614), (298, 878316), (318, 823076), (424, 617307), (447, 585544), (596, 439158), (636, 411538), (894, 292772), (1192, 219579), (1272, 205769), (1381, 189528), (1788, 146386), (2762, 94764), (3576, 73193), (4143, 63176), (5524, 47382), (7897, 33144), (8286, 31588), (11048, 23691), (15794, 16572)]