647223486

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{701}}^1$

素因数の和:834

約数の個数: 128

約数和(自身を含む): 1698278400

約数和(自身を除く): 1051054914

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 89, 91, 114, 133, 178, 182, 247, 266, 267, 273, 399, 494, 534, 546, 623, 701, 741, 798, 1157, 1246, 1402, 1482, 1691, 1729, 1869, 2103, 2314, 3382, 3458, 3471, 3738, 4206, 4907, 5073, 5187, 6942, 8099, 9113, 9814, 10146, 10374, 11837, 13319, 14721, 16198, 18226, 21983, 23674, 24297, 26638, 27339, 29442, 35511, 39957, 43966, 48594, 54678, 62389, 63791, 65949, 71022, 79914, 93233, 124778, 127582, 131898, 153881, 173147, 186466, 187167, 191373, 279699, 307762, 346294, 374334, 382746, 436723, 461643, 519441, 559398, 811057, 873446, 923286, 1038882, 1185391, 1212029, 1310169, 1622114, 2370782, 2424058, 2433171, 2620338, 3556173, 3636087, 4866342, 5677399, 7112346, 7272174, 8297737, 11354798, 15410083, 16595474, 17032197, 24893211, 30820166, 34064394, 46230249, 49786422, 92460498, 107870581, 215741162, 323611743, 647223486]

約数ペア:

[(1, 647223486), (2, 323611743), (3, 215741162), (6, 107870581), (7, 92460498), (13, 49786422), (14, 46230249), (19, 34064394), (21, 30820166), (26, 24893211), (38, 17032197), (39, 16595474), (42, 15410083), (57, 11354798), (78, 8297737), (89, 7272174), (91, 7112346), (114, 5677399), (133, 4866342), (178, 3636087), (182, 3556173), (247, 2620338), (266, 2433171), (267, 2424058), (273, 2370782), (399, 1622114), (494, 1310169), (534, 1212029), (546, 1185391), (623, 1038882), (701, 923286), (741, 873446), (798, 811057), (1157, 559398), (1246, 519441), (1402, 461643), (1482, 436723), (1691, 382746), (1729, 374334), (1869, 346294), (2103, 307762), (2314, 279699), (3382, 191373), (3458, 187167), (3471, 186466), (3738, 173147), (4206, 153881), (4907, 131898), (5073, 127582), (5187, 124778), (6942, 93233), (8099, 79914), (9113, 71022), (9814, 65949), (10146, 63791), (10374, 62389), (11837, 54678), (13319, 48594), (14721, 43966), (16198, 39957), (18226, 35511), (21983, 29442), (23674, 27339), (24297, 26638)]