87674279

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 118195200

約数和(自身を除く): 30520921

約数列:

[1, 7, 11, 29, 49, 71, 77, 79, 203, 319, 497, 539, 553, 781, 869, 1421, 2059, 2233, 2291, 3479, 3871, 5467, 5609, 6083, 14413, 15631, 16037, 22649, 25201, 38269, 39263, 42581, 61699, 100891, 112259, 158543, 162661, 176407, 274841, 431893, 1109801, 1138627, 1234849, 1789271, 3023251, 7970389, 12524897, 87674279]

約数ペア:

[(1, 87674279), (7, 12524897), (11, 7970389), (29, 3023251), (49, 1789271), (71, 1234849), (77, 1138627), (79, 1109801), (203, 431893), (319, 274841), (497, 176407), (539, 162661), (553, 158543), (781, 112259), (869, 100891), (1421, 61699), (2059, 42581), (2233, 39263), (2291, 38269), (3479, 25201), (3871, 22649), (5467, 16037), (5609, 15631), (6083, 14413)]