449968168

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{421}}^1$

素因数の和:722

約数の個数: 64

約数和(自身を含む): 935827200

約数和(自身を除く): 485859032

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 239, 344, 421, 478, 559, 842, 956, 1118, 1684, 1912, 2236, 3107, 3368, 4472, 5473, 6214, 10277, 10946, 12428, 18103, 20554, 21892, 24856, 36206, 41108, 43784, 72412, 82216, 100619, 133601, 144824, 201238, 235339, 267202, 402476, 470678, 534404, 804952, 941356, 1068808, 1308047, 1882712, 2616094, 4326617, 5232188, 8653234, 10464376, 17306468, 34612936, 56246021, 112492042, 224984084, 449968168]

約数ペア:

[(1, 449968168), (2, 224984084), (4, 112492042), (8, 56246021), (13, 34612936), (26, 17306468), (43, 10464376), (52, 8653234), (86, 5232188), (104, 4326617), (172, 2616094), (239, 1882712), (344, 1308047), (421, 1068808), (478, 941356), (559, 804952), (842, 534404), (956, 470678), (1118, 402476), (1684, 267202), (1912, 235339), (2236, 201238), (3107, 144824), (3368, 133601), (4472, 100619), (5473, 82216), (6214, 72412), (10277, 43784), (10946, 41108), (12428, 36206), (18103, 24856), (20554, 21892)]