280759336

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{245419}}^1$

素因数の和:245449

約数の個数: 32

約数和(自身を含む): 618458400

約数和(自身を除く): 337699064

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 245419, 490838, 981676, 1963352, 2699609, 3190447, 5399218, 6380894, 10798436, 12761788, 21596872, 25523576, 35094917, 70189834, 140379668, 280759336]

約数ペア:

[(1, 280759336), (2, 140379668), (4, 70189834), (8, 35094917), (11, 25523576), (13, 21596872), (22, 12761788), (26, 10798436), (44, 6380894), (52, 5399218), (88, 3190447), (104, 2699609), (143, 1963352), (286, 981676), (572, 490838), (1144, 245419)]