1991231488

素因数分解:

$2^{11}\times {\mathrm{17}}^1\times {\mathrm{57193}}^1$

素因数の和:57232

約数の個数: 48

約数和(自身を含む): 4215769740

約数和(自身を除く): 2224538252

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 1024, 1088, 2048, 2176, 4352, 8704, 17408, 34816, 57193, 114386, 228772, 457544, 915088, 972281, 1830176, 1944562, 3660352, 3889124, 7320704, 7778248, 14641408, 15556496, 29282816, 31112992, 58565632, 62225984, 117131264, 124451968, 248903936, 497807872, 995615744, 1991231488]

約数ペア:

[(1, 1991231488), (2, 995615744), (4, 497807872), (8, 248903936), (16, 124451968), (17, 117131264), (32, 62225984), (34, 58565632), (64, 31112992), (68, 29282816), (128, 15556496), (136, 14641408), (256, 7778248), (272, 7320704), (512, 3889124), (544, 3660352), (1024, 1944562), (1088, 1830176), (2048, 972281), (2176, 915088), (4352, 457544), (8704, 228772), (17408, 114386), (34816, 57193)]