258318164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 531965952

約数和(自身を除く): 273647788

約数列:

[1, 2, 4, 13, 26, 31, 37, 52, 61, 62, 71, 74, 122, 124, 142, 148, 244, 284, 403, 481, 793, 806, 923, 962, 1147, 1586, 1612, 1846, 1891, 1924, 2201, 2257, 2294, 2627, 3172, 3692, 3782, 4331, 4402, 4514, 4588, 5254, 7564, 8662, 8804, 9028, 10508, 14911, 17324, 24583, 28613, 29341, 29822, 34151, 49166, 56303, 57226, 58682, 59644, 68302, 69967, 81437, 98332, 112606, 114452, 117364, 134261, 136604, 139934, 160247, 162874, 225212, 268522, 279868, 320494, 325748, 537044, 640988, 909571, 1058681, 1745393, 1819142, 2083211, 2117362, 3490786, 3638284, 4166422, 4234724, 4967657, 6981572, 8332844, 9935314, 19870628, 64579541, 129159082, 258318164]

約数ペア:

[(1, 258318164), (2, 129159082), (4, 64579541), (13, 19870628), (26, 9935314), (31, 8332844), (37, 6981572), (52, 4967657), (61, 4234724), (62, 4166422), (71, 3638284), (74, 3490786), (122, 2117362), (124, 2083211), (142, 1819142), (148, 1745393), (244, 1058681), (284, 909571), (403, 640988), (481, 537044), (793, 325748), (806, 320494), (923, 279868), (962, 268522), (1147, 225212), (1586, 162874), (1612, 160247), (1846, 139934), (1891, 136604), (1924, 134261), (2201, 117364), (2257, 114452), (2294, 112606), (2627, 98332), (3172, 81437), (3692, 69967), (3782, 68302), (4331, 59644), (4402, 58682), (4514, 57226), (4588, 56303), (5254, 49166), (7564, 34151), (8662, 29822), (8804, 29341), (9028, 28613), (10508, 24583), (14911, 17324)]