821805816

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{277}}^1$

素因数の和:593

約数の個数: 128

約数和(自身を含む): 2289430080

約数和(自身を除く): 1467624264

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 37, 39, 52, 74, 78, 104, 111, 148, 156, 222, 257, 277, 296, 312, 444, 481, 514, 554, 771, 831, 888, 962, 1028, 1108, 1443, 1542, 1662, 1924, 2056, 2216, 2886, 3084, 3324, 3341, 3601, 3848, 5772, 6168, 6648, 6682, 7202, 9509, 10023, 10249, 10803, 11544, 13364, 14404, 19018, 20046, 20498, 21606, 26728, 28527, 28808, 30747, 38036, 40092, 40996, 43212, 57054, 61494, 71189, 76072, 80184, 81992, 86424, 114108, 122988, 123617, 133237, 142378, 213567, 228216, 245976, 247234, 266474, 284756, 370851, 399711, 427134, 494468, 532948, 569512, 741702, 799422, 854268, 925457, 988936, 1065896, 1483404, 1598844, 1708536, 1850914, 2633993, 2776371, 2966808, 3197688, 3701828, 5267986, 5552742, 7403656, 7901979, 10535972, 11105484, 15803958, 21071944, 22210968, 31607916, 34241909, 63215832, 68483818, 102725727, 136967636, 205451454, 273935272, 410902908, 821805816]

約数ペア:

[(1, 821805816), (2, 410902908), (3, 273935272), (4, 205451454), (6, 136967636), (8, 102725727), (12, 68483818), (13, 63215832), (24, 34241909), (26, 31607916), (37, 22210968), (39, 21071944), (52, 15803958), (74, 11105484), (78, 10535972), (104, 7901979), (111, 7403656), (148, 5552742), (156, 5267986), (222, 3701828), (257, 3197688), (277, 2966808), (296, 2776371), (312, 2633993), (444, 1850914), (481, 1708536), (514, 1598844), (554, 1483404), (771, 1065896), (831, 988936), (888, 925457), (962, 854268), (1028, 799422), (1108, 741702), (1443, 569512), (1542, 532948), (1662, 494468), (1924, 427134), (2056, 399711), (2216, 370851), (2886, 284756), (3084, 266474), (3324, 247234), (3341, 245976), (3601, 228216), (3848, 213567), (5772, 142378), (6168, 133237), (6648, 123617), (6682, 122988), (7202, 114108), (9509, 86424), (10023, 81992), (10249, 80184), (10803, 76072), (11544, 71189), (13364, 61494), (14404, 57054), (19018, 43212), (20046, 40996), (20498, 40092), (21606, 38036), (26728, 30747), (28527, 28808)]