257318724

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{4093}}^1$

素因数の和:4157

約数の個数: 72

約数和(自身を含む): 671284992

約数和(自身を除く): 413966268

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 169, 186, 338, 372, 403, 507, 676, 806, 1014, 1209, 1612, 2028, 2418, 4093, 4836, 5239, 8186, 10478, 12279, 15717, 16372, 20956, 24558, 31434, 49116, 53209, 62868, 106418, 126883, 159627, 212836, 253766, 319254, 380649, 507532, 638508, 691717, 761298, 1383434, 1522596, 1649479, 2075151, 2766868, 3298958, 4150302, 4948437, 6597916, 8300604, 9896874, 19793748, 21443227, 42886454, 64329681, 85772908, 128659362, 257318724]

約数ペア:

[(1, 257318724), (2, 128659362), (3, 85772908), (4, 64329681), (6, 42886454), (12, 21443227), (13, 19793748), (26, 9896874), (31, 8300604), (39, 6597916), (52, 4948437), (62, 4150302), (78, 3298958), (93, 2766868), (124, 2075151), (156, 1649479), (169, 1522596), (186, 1383434), (338, 761298), (372, 691717), (403, 638508), (507, 507532), (676, 380649), (806, 319254), (1014, 253766), (1209, 212836), (1612, 159627), (2028, 126883), (2418, 106418), (4093, 62868), (4836, 53209), (5239, 49116), (8186, 31434), (10478, 24558), (12279, 20956), (15717, 16372)]