129552488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{65563}}^1$

素因数の和:65601

約数の個数: 32

約数和(自身を含む): 275368800

約数和(自身を除く): 145816312

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 65563, 131126, 262252, 524504, 852319, 1245697, 1704638, 2491394, 3409276, 4982788, 6818552, 9965576, 16194061, 32388122, 64776244, 129552488]

約数ペア:

[(1, 129552488), (2, 64776244), (4, 32388122), (8, 16194061), (13, 9965576), (19, 6818552), (26, 4982788), (38, 3409276), (52, 2491394), (76, 1704638), (104, 1245697), (152, 852319), (247, 524504), (494, 262252), (988, 131126), (1976, 65563)]