216956904

素因数分解:

$2^3\times 3^1\times {\mathrm{521}}^1\times {\mathrm{17351}}^1$

素因数の和:17881

約数の個数: 32

約数和(自身を含む): 543464640

約数和(自身を除く): 326507736

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 521, 1042, 1563, 2084, 3126, 4168, 6252, 12504, 17351, 34702, 52053, 69404, 104106, 138808, 208212, 416424, 9039871, 18079742, 27119613, 36159484, 54239226, 72318968, 108478452, 216956904]

約数ペア:

[(1, 216956904), (2, 108478452), (3, 72318968), (4, 54239226), (6, 36159484), (8, 27119613), (12, 18079742), (24, 9039871), (521, 416424), (1042, 208212), (1563, 138808), (2084, 104106), (3126, 69404), (4168, 52053), (6252, 34702), (12504, 17351)]