51485668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 108066560

約数和(自身を除く): 56580892

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 41, 52, 62, 76, 82, 124, 164, 247, 403, 494, 533, 589, 779, 806, 988, 1066, 1178, 1271, 1558, 1612, 1681, 2132, 2356, 2542, 3116, 3362, 5084, 6724, 7657, 10127, 15314, 16523, 20254, 21853, 24149, 30628, 31939, 33046, 40508, 43706, 48298, 52111, 63878, 66092, 87412, 96596, 104222, 127756, 208444, 313937, 415207, 627874, 677443, 830414, 990109, 1255748, 1354886, 1660828, 1980218, 2709772, 3960436, 12871417, 25742834, 51485668]

約数ペア:

[(1, 51485668), (2, 25742834), (4, 12871417), (13, 3960436), (19, 2709772), (26, 1980218), (31, 1660828), (38, 1354886), (41, 1255748), (52, 990109), (62, 830414), (76, 677443), (82, 627874), (124, 415207), (164, 313937), (247, 208444), (403, 127756), (494, 104222), (533, 96596), (589, 87412), (779, 66092), (806, 63878), (988, 52111), (1066, 48298), (1178, 43706), (1271, 40508), (1558, 33046), (1612, 31939), (1681, 30628), (2132, 24149), (2356, 21853), (2542, 20254), (3116, 16523), (3362, 15314), (5084, 10127), (6724, 7657)]