291146044

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2113}}^1$

素因数の和:2187

約数の個数: 72

約数和(自身を含む): 641049360

約数和(自身を除く): 349903316

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 49, 74, 76, 98, 133, 148, 196, 259, 266, 518, 532, 703, 931, 1036, 1406, 1813, 1862, 2113, 2812, 3626, 3724, 4226, 4921, 7252, 8452, 9842, 14791, 19684, 29582, 34447, 40147, 59164, 68894, 78181, 80294, 103537, 137788, 156362, 160588, 207074, 281029, 312724, 414148, 547267, 562058, 1094534, 1124116, 1485439, 1967203, 2189068, 2970878, 3830869, 3934406, 5941756, 7661738, 7868812, 10398073, 15323476, 20796146, 41592292, 72786511, 145573022, 291146044]

約数ペア:

[(1, 291146044), (2, 145573022), (4, 72786511), (7, 41592292), (14, 20796146), (19, 15323476), (28, 10398073), (37, 7868812), (38, 7661738), (49, 5941756), (74, 3934406), (76, 3830869), (98, 2970878), (133, 2189068), (148, 1967203), (196, 1485439), (259, 1124116), (266, 1094534), (518, 562058), (532, 547267), (703, 414148), (931, 312724), (1036, 281029), (1406, 207074), (1813, 160588), (1862, 156362), (2113, 137788), (2812, 103537), (3626, 80294), (3724, 78181), (4226, 68894), (4921, 59164), (7252, 40147), (8452, 34447), (9842, 29582), (14791, 19684)]