691855892

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:542

約数の個数: 144

約数和(自身を含む): 1651668480

約数和(自身を除く): 959812588

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 31, 38, 49, 52, 62, 76, 91, 98, 124, 133, 182, 196, 217, 247, 266, 364, 403, 434, 461, 494, 532, 589, 637, 806, 868, 922, 931, 988, 1178, 1274, 1519, 1612, 1729, 1844, 1862, 2356, 2548, 2821, 3038, 3227, 3458, 3724, 4123, 5642, 5993, 6076, 6454, 6916, 7657, 8246, 8759, 11284, 11986, 12103, 12908, 14291, 15314, 16492, 17518, 19747, 22589, 23972, 24206, 28582, 28861, 30628, 35036, 39494, 41951, 45178, 48412, 53599, 57164, 57722, 61313, 78988, 83902, 90356, 100037, 107198, 113867, 115444, 122626, 167804, 185783, 200074, 214396, 227734, 245252, 271529, 293657, 371566, 375193, 400148, 429191, 455468, 543058, 587314, 700259, 743132, 750386, 797069, 858382, 1086116, 1174628, 1300481, 1400518, 1500772, 1594138, 1716764, 1900703, 2600962, 2801036, 3188276, 3529877, 3801406, 5201924, 5579483, 7059754, 7602812, 9103367, 11158966, 13304921, 14119508, 18206734, 22317932, 24709139, 26609842, 36413468, 49418278, 53219684, 98836556, 172963973, 345927946, 691855892]

約数ペア:

[(1, 691855892), (2, 345927946), (4, 172963973), (7, 98836556), (13, 53219684), (14, 49418278), (19, 36413468), (26, 26609842), (28, 24709139), (31, 22317932), (38, 18206734), (49, 14119508), (52, 13304921), (62, 11158966), (76, 9103367), (91, 7602812), (98, 7059754), (124, 5579483), (133, 5201924), (182, 3801406), (196, 3529877), (217, 3188276), (247, 2801036), (266, 2600962), (364, 1900703), (403, 1716764), (434, 1594138), (461, 1500772), (494, 1400518), (532, 1300481), (589, 1174628), (637, 1086116), (806, 858382), (868, 797069), (922, 750386), (931, 743132), (988, 700259), (1178, 587314), (1274, 543058), (1519, 455468), (1612, 429191), (1729, 400148), (1844, 375193), (1862, 371566), (2356, 293657), (2548, 271529), (2821, 245252), (3038, 227734), (3227, 214396), (3458, 200074), (3724, 185783), (4123, 167804), (5642, 122626), (5993, 115444), (6076, 113867), (6454, 107198), (6916, 100037), (7657, 90356), (8246, 83902), (8759, 78988), (11284, 61313), (11986, 57722), (12103, 57164), (12908, 53599), (14291, 48412), (15314, 45178), (16492, 41951), (17518, 39494), (19747, 35036), (22589, 30628), (23972, 28861), (24206, 28582)]