221994136

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{304937}}^1$

素因数の和:304963

約数の個数: 32

約数和(自身を含む): 512295840

約数和(自身を除く): 290301704

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 304937, 609874, 1219748, 2134559, 2439496, 3964181, 4269118, 7928362, 8538236, 15856724, 17076472, 27749267, 31713448, 55498534, 110997068, 221994136]

約数ペア:

[(1, 221994136), (2, 110997068), (4, 55498534), (7, 31713448), (8, 27749267), (13, 17076472), (14, 15856724), (26, 8538236), (28, 7928362), (52, 4269118), (56, 3964181), (91, 2439496), (104, 2134559), (182, 1219748), (364, 609874), (728, 304937)]