87931228

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4021}}^1$

素因数の和:4114

約数の個数: 48

約数和(自身を含む): 194600448

約数和(自身を除く): 106669220

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 142, 154, 284, 308, 497, 781, 994, 1562, 1988, 3124, 4021, 5467, 8042, 10934, 16084, 21868, 28147, 44231, 56294, 88462, 112588, 176924, 285491, 309617, 570982, 619234, 1141964, 1238468, 1998437, 3140401, 3996874, 6280802, 7993748, 12561604, 21982807, 43965614, 87931228]

約数ペア:

[(1, 87931228), (2, 43965614), (4, 21982807), (7, 12561604), (11, 7993748), (14, 6280802), (22, 3996874), (28, 3140401), (44, 1998437), (71, 1238468), (77, 1141964), (142, 619234), (154, 570982), (284, 309617), (308, 285491), (497, 176924), (781, 112588), (994, 88462), (1562, 56294), (1988, 44231), (3124, 28147), (4021, 21868), (5467, 16084), (8042, 10934)]