661560256

素因数分解:

$2^6\times 7^1\times {\mathrm{41}}^1\times {\mathrm{36017}}^1$

素因数の和:36077

約数の個数: 56

約数和(自身を含む): 1536960096

約数和(自身を除く): 875399840

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 64, 82, 112, 164, 224, 287, 328, 448, 574, 656, 1148, 1312, 2296, 2624, 4592, 9184, 18368, 36017, 72034, 144068, 252119, 288136, 504238, 576272, 1008476, 1152544, 1476697, 2016952, 2305088, 2953394, 4033904, 5906788, 8067808, 10336879, 11813576, 16135616, 20673758, 23627152, 41347516, 47254304, 82695032, 94508608, 165390064, 330780128, 661560256]

約数ペア:

[(1, 661560256), (2, 330780128), (4, 165390064), (7, 94508608), (8, 82695032), (14, 47254304), (16, 41347516), (28, 23627152), (32, 20673758), (41, 16135616), (56, 11813576), (64, 10336879), (82, 8067808), (112, 5906788), (164, 4033904), (224, 2953394), (287, 2305088), (328, 2016952), (448, 1476697), (574, 1152544), (656, 1008476), (1148, 576272), (1312, 504238), (2296, 288136), (2624, 252119), (4592, 144068), (9184, 72034), (18368, 36017)]