40781377

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{877}}^1$

素因数の和:977

約数の個数: 24

約数和(自身を含む): 51847656

約数和(自身を除く): 11066279

約数列:

[1, 7, 13, 49, 73, 91, 511, 637, 877, 949, 3577, 6139, 6643, 11401, 42973, 46501, 64021, 79807, 448147, 558649, 832273, 3137029, 5825911, 40781377]

約数ペア:

[(1, 40781377), (7, 5825911), (13, 3137029), (49, 832273), (73, 558649), (91, 448147), (511, 79807), (637, 64021), (877, 46501), (949, 42973), (3577, 11401), (6139, 6643)]