291248188

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:515

約数の個数: 96

約数和(自身を含む): 675279360

約数和(自身を除く): 384031172

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 157, 209, 266, 308, 314, 317, 418, 532, 628, 634, 836, 1099, 1268, 1463, 1727, 2198, 2219, 2926, 2983, 3454, 3487, 4396, 4438, 5852, 5966, 6023, 6908, 6974, 8876, 11932, 12046, 12089, 13948, 20881, 24092, 24178, 24409, 32813, 41762, 42161, 48356, 48818, 49769, 65626, 66253, 83524, 84322, 97636, 99538, 131252, 132506, 168644, 199076, 229691, 265012, 348383, 459382, 463771, 547459, 696766, 918764, 927542, 945611, 1094918, 1393532, 1855084, 1891222, 2189836, 3782444, 3832213, 6619277, 7664426, 10401721, 13238554, 15328852, 20803442, 26477108, 41606884, 72812047, 145624094, 291248188]

約数ペア:

[(1, 291248188), (2, 145624094), (4, 72812047), (7, 41606884), (11, 26477108), (14, 20803442), (19, 15328852), (22, 13238554), (28, 10401721), (38, 7664426), (44, 6619277), (76, 3832213), (77, 3782444), (133, 2189836), (154, 1891222), (157, 1855084), (209, 1393532), (266, 1094918), (308, 945611), (314, 927542), (317, 918764), (418, 696766), (532, 547459), (628, 463771), (634, 459382), (836, 348383), (1099, 265012), (1268, 229691), (1463, 199076), (1727, 168644), (2198, 132506), (2219, 131252), (2926, 99538), (2983, 97636), (3454, 84322), (3487, 83524), (4396, 66253), (4438, 65626), (5852, 49769), (5966, 48818), (6023, 48356), (6908, 42161), (6974, 41762), (8876, 32813), (11932, 24409), (12046, 24178), (12089, 24092), (13948, 20881)]