28166628

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:337

約数の個数: 96

約数和(自身を含む): 79994880

約数和(自身を除く): 51828252

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 61, 69, 84, 92, 122, 138, 161, 183, 239, 244, 276, 322, 366, 427, 478, 483, 644, 717, 732, 854, 956, 966, 1281, 1403, 1434, 1673, 1708, 1932, 2562, 2806, 2868, 3346, 4209, 5019, 5124, 5497, 5612, 6692, 8418, 9821, 10038, 10994, 14579, 16491, 16836, 19642, 20076, 21988, 29158, 29463, 32982, 38479, 39284, 43737, 58316, 58926, 65964, 76958, 87474, 102053, 115437, 117852, 153916, 174948, 204106, 230874, 306159, 335317, 408212, 461748, 612318, 670634, 1005951, 1224636, 1341268, 2011902, 2347219, 4023804, 4694438, 7041657, 9388876, 14083314, 28166628]

約数ペア:

[(1, 28166628), (2, 14083314), (3, 9388876), (4, 7041657), (6, 4694438), (7, 4023804), (12, 2347219), (14, 2011902), (21, 1341268), (23, 1224636), (28, 1005951), (42, 670634), (46, 612318), (61, 461748), (69, 408212), (84, 335317), (92, 306159), (122, 230874), (138, 204106), (161, 174948), (183, 153916), (239, 117852), (244, 115437), (276, 102053), (322, 87474), (366, 76958), (427, 65964), (478, 58926), (483, 58316), (644, 43737), (717, 39284), (732, 38479), (854, 32982), (956, 29463), (966, 29158), (1281, 21988), (1403, 20076), (1434, 19642), (1673, 16836), (1708, 16491), (1932, 14579), (2562, 10994), (2806, 10038), (2868, 9821), (3346, 8418), (4209, 6692), (5019, 5612), (5124, 5497)]