245655314408

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{661}}^1\times {\mathrm{74567}}^1$

素因数の和:75330

約数の個数: 64

約数和(自身を含む): 533131372800

約数和(自身を除く): 287476058392

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 623, 661, 712, 1246, 1322, 2492, 2644, 4627, 4984, 5288, 9254, 18508, 37016, 58829, 74567, 117658, 149134, 235316, 298268, 411803, 470632, 521969, 596536, 823606, 1043938, 1647212, 2087876, 3294424, 4175752, 6636463, 13272926, 26545852, 46455241, 49288787, 53091704, 92910482, 98577574, 185820964, 197155148, 345021509, 371641928, 394310296, 690043018, 1380086036, 2760172072, 4386702043, 8773404086, 17546808172, 30706914301, 35093616344, 61413828602, 122827657204, 245655314408]

約数ペア:

[(1, 245655314408), (2, 122827657204), (4, 61413828602), (7, 35093616344), (8, 30706914301), (14, 17546808172), (28, 8773404086), (56, 4386702043), (89, 2760172072), (178, 1380086036), (356, 690043018), (623, 394310296), (661, 371641928), (712, 345021509), (1246, 197155148), (1322, 185820964), (2492, 98577574), (2644, 92910482), (4627, 53091704), (4984, 49288787), (5288, 46455241), (9254, 26545852), (18508, 13272926), (37016, 6636463), (58829, 4175752), (74567, 3294424), (117658, 2087876), (149134, 1647212), (235316, 1043938), (298268, 823606), (411803, 596536), (470632, 521969)]