205718455952

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{8369}}^1\times {\mathrm{19447}}^1$

素因数の和:27903

約数の個数: 40

約数和(自身を含む): 403693804800

約数和(自身を除く): 197975348848

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 8369, 16738, 19447, 33476, 38894, 66952, 77788, 133904, 155576, 311152, 661151, 1322302, 1536313, 2644604, 3072626, 5289208, 6145252, 10578416, 12290504, 24581008, 162751943, 325503886, 651007772, 1302015544, 2604031088, 12857403497, 25714806994, 51429613988, 102859227976, 205718455952]

約数ペア:

[(1, 205718455952), (2, 102859227976), (4, 51429613988), (8, 25714806994), (16, 12857403497), (79, 2604031088), (158, 1302015544), (316, 651007772), (632, 325503886), (1264, 162751943), (8369, 24581008), (16738, 12290504), (19447, 10578416), (33476, 6145252), (38894, 5289208), (66952, 3072626), (77788, 2644604), (133904, 1536313), (155576, 1322302), (311152, 661151)]