28147210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{30931}}^1$

素因数の和:30958

約数の個数: 32

約数和(自身を含む): 62358912

約数和(自身を除く): 34211702

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 30931, 61862, 154655, 216517, 309310, 402103, 433034, 804206, 1082585, 2010515, 2165170, 2814721, 4021030, 5629442, 14073605, 28147210]

約数ペア:

[(1, 28147210), (2, 14073605), (5, 5629442), (7, 4021030), (10, 2814721), (13, 2165170), (14, 2010515), (26, 1082585), (35, 804206), (65, 433034), (70, 402103), (91, 309310), (130, 216517), (182, 154655), (455, 61862), (910, 30931)]