331327612

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{643}}^1$

素因数の和:911

約数の個数: 72

約数和(自身を含む): 740033280

約数和(自身を除く): 408705668

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 239, 308, 478, 539, 643, 956, 1078, 1286, 1673, 2156, 2572, 2629, 3346, 4501, 5258, 6692, 7073, 9002, 10516, 11711, 14146, 18004, 18403, 23422, 28292, 31507, 36806, 46844, 49511, 63014, 73612, 99022, 126028, 128821, 153677, 198044, 257642, 307354, 346577, 515284, 614708, 693154, 1075739, 1386308, 1690447, 2151478, 3380894, 4302956, 6761788, 7530173, 11833129, 15060346, 23666258, 30120692, 47332516, 82831903, 165663806, 331327612]

約数ペア:

[(1, 331327612), (2, 165663806), (4, 82831903), (7, 47332516), (11, 30120692), (14, 23666258), (22, 15060346), (28, 11833129), (44, 7530173), (49, 6761788), (77, 4302956), (98, 3380894), (154, 2151478), (196, 1690447), (239, 1386308), (308, 1075739), (478, 693154), (539, 614708), (643, 515284), (956, 346577), (1078, 307354), (1286, 257642), (1673, 198044), (2156, 153677), (2572, 128821), (2629, 126028), (3346, 99022), (4501, 73612), (5258, 63014), (6692, 49511), (7073, 46844), (9002, 36806), (10516, 31507), (11711, 28292), (14146, 23422), (18004, 18403)]