85399756

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 174728400

約数和(自身を除く): 89328644

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 61, 76, 109, 122, 169, 218, 244, 247, 338, 436, 494, 676, 793, 988, 1159, 1417, 1586, 2071, 2318, 2834, 3172, 3211, 4142, 4636, 5668, 6422, 6649, 8284, 10309, 12844, 13298, 15067, 18421, 20618, 26596, 26923, 30134, 36842, 41236, 53846, 60268, 73684, 86437, 107692, 126331, 172874, 195871, 252662, 345748, 349999, 391742, 505324, 699998, 783484, 1123681, 1399996, 1642303, 2247362, 3284606, 4494724, 6569212, 21349939, 42699878, 85399756]

約数ペア:

[(1, 85399756), (2, 42699878), (4, 21349939), (13, 6569212), (19, 4494724), (26, 3284606), (38, 2247362), (52, 1642303), (61, 1399996), (76, 1123681), (109, 783484), (122, 699998), (169, 505324), (218, 391742), (244, 349999), (247, 345748), (338, 252662), (436, 195871), (494, 172874), (676, 126331), (793, 107692), (988, 86437), (1159, 73684), (1417, 60268), (1586, 53846), (2071, 41236), (2318, 36842), (2834, 30134), (3172, 26923), (3211, 26596), (4142, 20618), (4636, 18421), (5668, 15067), (6422, 13298), (6649, 12844), (8284, 10309)]