218539664

素因数分解:

$2^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{23509}}^1$

素因数の和:23607

約数の個数: 40

約数和(自身を含む): 489760320

約数和(自身を除く): 271220656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 83, 112, 166, 332, 581, 664, 1162, 1328, 2324, 4648, 9296, 23509, 47018, 94036, 164563, 188072, 329126, 376144, 658252, 1316504, 1951247, 2633008, 3902494, 7804988, 13658729, 15609976, 27317458, 31219952, 54634916, 109269832, 218539664]

約数ペア:

[(1, 218539664), (2, 109269832), (4, 54634916), (7, 31219952), (8, 27317458), (14, 15609976), (16, 13658729), (28, 7804988), (56, 3902494), (83, 2633008), (112, 1951247), (166, 1316504), (332, 658252), (581, 376144), (664, 329126), (1162, 188072), (1328, 164563), (2324, 94036), (4648, 47018), (9296, 23509)]