28694743

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{383}}^1$

素因数の和:547

約数の個数: 24

約数和(自身を含む): 36771840

約数和(自身を除く): 8077097

約数列:

[1, 7, 11, 49, 77, 139, 383, 539, 973, 1529, 2681, 4213, 6811, 10703, 18767, 29491, 53237, 74921, 206437, 372659, 585607, 2608613, 4099249, 28694743]

約数ペア:

[(1, 28694743), (7, 4099249), (11, 2608613), (49, 585607), (77, 372659), (139, 206437), (383, 74921), (539, 53237), (973, 29491), (1529, 18767), (2681, 10703), (4213, 6811)]