1630904

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 3421440

約数和(自身を除く): 1790536

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 431, 473, 862, 946, 1724, 1892, 3448, 3784, 4741, 9482, 18533, 18964, 37066, 37928, 74132, 148264, 203863, 407726, 815452, 1630904]

約数ペア:

[(1, 1630904), (2, 815452), (4, 407726), (8, 203863), (11, 148264), (22, 74132), (43, 37928), (44, 37066), (86, 18964), (88, 18533), (172, 9482), (344, 4741), (431, 3784), (473, 3448), (862, 1892), (946, 1724)]