30891308

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{8053}}^1$

素因数の和:8201

約数の個数: 24

約数和(自身を含む): 62241312

約数和(自身を除く): 31350004

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 3836, 8053, 16106, 32212, 56371, 112742, 225484, 1103261, 2206522, 4413044, 7722827, 15445654, 30891308]

約数ペア:

[(1, 30891308), (2, 15445654), (4, 7722827), (7, 4413044), (14, 2206522), (28, 1103261), (137, 225484), (274, 112742), (548, 56371), (959, 32212), (1918, 16106), (3836, 8053)]