129557584

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{1279}}^1$

素因数の和:1787

約数の個数: 40

約数和(自身を含む): 271093760

約数和(自身を除く): 141536176

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 487, 974, 1279, 1948, 2558, 3896, 5116, 6331, 7792, 10232, 12662, 16627, 20464, 25324, 33254, 50648, 66508, 101296, 133016, 266032, 622873, 1245746, 2491492, 4982984, 8097349, 9965968, 16194698, 32389396, 64778792, 129557584]

約数ペア:

[(1, 129557584), (2, 64778792), (4, 32389396), (8, 16194698), (13, 9965968), (16, 8097349), (26, 4982984), (52, 2491492), (104, 1245746), (208, 622873), (487, 266032), (974, 133016), (1279, 101296), (1948, 66508), (2558, 50648), (3896, 33254), (5116, 25324), (6331, 20464), (7792, 16627), (10232, 12662)]