87821748

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{3257}}^1$

素因数の和:3381

約数の個数: 72

約数和(自身を含む): 256156992

約数和(自身を除く): 168335244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 107, 126, 214, 252, 321, 428, 642, 749, 963, 1284, 1498, 1926, 2247, 2996, 3257, 3852, 4494, 6514, 6741, 8988, 9771, 13028, 13482, 19542, 22799, 26964, 29313, 39084, 45598, 58626, 68397, 91196, 117252, 136794, 205191, 273588, 348499, 410382, 696998, 820764, 1045497, 1393996, 2090994, 2439493, 3136491, 4181988, 4878986, 6272982, 7318479, 9757972, 12545964, 14636958, 21955437, 29273916, 43910874, 87821748]

約数ペア:

[(1, 87821748), (2, 43910874), (3, 29273916), (4, 21955437), (6, 14636958), (7, 12545964), (9, 9757972), (12, 7318479), (14, 6272982), (18, 4878986), (21, 4181988), (28, 3136491), (36, 2439493), (42, 2090994), (63, 1393996), (84, 1045497), (107, 820764), (126, 696998), (214, 410382), (252, 348499), (321, 273588), (428, 205191), (642, 136794), (749, 117252), (963, 91196), (1284, 68397), (1498, 58626), (1926, 45598), (2247, 39084), (2996, 29313), (3257, 26964), (3852, 22799), (4494, 19542), (6514, 13482), (6741, 13028), (8988, 9771)]