85656688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:282

約数の個数: 80

約数和(自身を含む): 187064416

約数和(自身を除く): 101407728

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 61, 86, 104, 122, 157, 172, 208, 244, 314, 344, 488, 559, 628, 688, 793, 976, 1118, 1256, 1586, 2041, 2236, 2512, 2623, 3172, 4082, 4472, 5246, 6344, 6751, 8164, 8944, 9577, 10492, 12688, 13502, 16328, 19154, 20984, 27004, 32656, 34099, 38308, 41968, 54008, 68198, 76616, 87763, 108016, 124501, 136396, 153232, 175526, 249002, 272792, 351052, 411811, 498004, 545584, 702104, 823622, 996008, 1404208, 1647244, 1992016, 3294488, 5353543, 6588976, 10707086, 21414172, 42828344, 85656688]

約数ペア:

[(1, 85656688), (2, 42828344), (4, 21414172), (8, 10707086), (13, 6588976), (16, 5353543), (26, 3294488), (43, 1992016), (52, 1647244), (61, 1404208), (86, 996008), (104, 823622), (122, 702104), (157, 545584), (172, 498004), (208, 411811), (244, 351052), (314, 272792), (344, 249002), (488, 175526), (559, 153232), (628, 136396), (688, 124501), (793, 108016), (976, 87763), (1118, 76616), (1256, 68198), (1586, 54008), (2041, 41968), (2236, 38308), (2512, 34099), (2623, 32656), (3172, 27004), (4082, 20984), (4472, 19154), (5246, 16328), (6344, 13502), (6751, 12688), (8164, 10492), (8944, 9577)]