217678656

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{87211}}^1$

素因数の和:87239

約数の個数: 56

約数和(自身を含む): 620251744

約数和(自身を除く): 402573088

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 156, 192, 208, 312, 416, 624, 832, 1248, 2496, 87211, 174422, 261633, 348844, 523266, 697688, 1046532, 1133743, 1395376, 2093064, 2267486, 2790752, 3401229, 4186128, 4534972, 5581504, 6802458, 8372256, 9069944, 13604916, 16744512, 18139888, 27209832, 36279776, 54419664, 72559552, 108839328, 217678656]

約数ペア:

[(1, 217678656), (2, 108839328), (3, 72559552), (4, 54419664), (6, 36279776), (8, 27209832), (12, 18139888), (13, 16744512), (16, 13604916), (24, 9069944), (26, 8372256), (32, 6802458), (39, 5581504), (48, 4534972), (52, 4186128), (64, 3401229), (78, 2790752), (96, 2267486), (104, 2093064), (156, 1395376), (192, 1133743), (208, 1046532), (312, 697688), (416, 523266), (624, 348844), (832, 261633), (1248, 174422), (2496, 87211)]