31790128

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{599}}^1$

素因数の和:745

約数の個数: 40

約数和(自身を含む): 64281600

約数和(自身を除く): 32491472

約数列:

[1, 2, 4, 8, 16, 31, 62, 107, 124, 214, 248, 428, 496, 599, 856, 1198, 1712, 2396, 3317, 4792, 6634, 9584, 13268, 18569, 26536, 37138, 53072, 64093, 74276, 128186, 148552, 256372, 297104, 512744, 1025488, 1986883, 3973766, 7947532, 15895064, 31790128]

約数ペア:

[(1, 31790128), (2, 15895064), (4, 7947532), (8, 3973766), (16, 1986883), (31, 1025488), (62, 512744), (107, 297104), (124, 256372), (214, 148552), (248, 128186), (428, 74276), (496, 64093), (599, 53072), (856, 37138), (1198, 26536), (1712, 18569), (2396, 13268), (3317, 9584), (4792, 6634)]