208697072

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{197}}^1\times {\mathrm{907}}^1$

素因数の和:1185

約数の個数: 40

約数和(自身を含む): 412424496

約数和(自身を除く): 203727424

約数列:

[1, 2, 4, 8, 16, 73, 146, 197, 292, 394, 584, 788, 907, 1168, 1576, 1814, 3152, 3628, 7256, 14381, 14512, 28762, 57524, 66211, 115048, 132422, 178679, 230096, 264844, 357358, 529688, 714716, 1059376, 1429432, 2858864, 13043567, 26087134, 52174268, 104348536, 208697072]

約数ペア:

[(1, 208697072), (2, 104348536), (4, 52174268), (8, 26087134), (16, 13043567), (73, 2858864), (146, 1429432), (197, 1059376), (292, 714716), (394, 529688), (584, 357358), (788, 264844), (907, 230096), (1168, 178679), (1576, 132422), (1814, 115048), (3152, 66211), (3628, 57524), (7256, 28762), (14381, 14512)]