28540394

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 47278080

約数和(自身を除く): 18737686

約数列:

[1, 2, 19, 37, 38, 53, 74, 106, 383, 703, 766, 1007, 1406, 1961, 2014, 3922, 7277, 14171, 14554, 20299, 28342, 37259, 40598, 74518, 269249, 385681, 538498, 751063, 771362, 1502126, 14270197, 28540394]

約数ペア:

[(1, 28540394), (2, 14270197), (19, 1502126), (37, 771362), (38, 751063), (53, 538498), (74, 385681), (106, 269249), (383, 74518), (703, 40598), (766, 37259), (1007, 28342), (1406, 20299), (1961, 14554), (2014, 14171), (3922, 7277)]