81562754

素因数分解:

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

素因数の和:979

約数の個数: 48

約数和(自身を含む): 155542968

約数和(自身を除く): 73980214

約数列:

[1, 2, 7, 13, 14, 26, 49, 73, 91, 98, 146, 182, 511, 637, 877, 949, 1022, 1274, 1754, 1898, 3577, 6139, 6643, 7154, 11401, 12278, 13286, 22802, 42973, 46501, 64021, 79807, 85946, 93002, 128042, 159614, 448147, 558649, 832273, 896294, 1117298, 1664546, 3137029, 5825911, 6274058, 11651822, 40781377, 81562754]

約数ペア:

[(1, 81562754), (2, 40781377), (7, 11651822), (13, 6274058), (14, 5825911), (26, 3137029), (49, 1664546), (73, 1117298), (91, 896294), (98, 832273), (146, 558649), (182, 448147), (511, 159614), (637, 128042), (877, 93002), (949, 85946), (1022, 79807), (1274, 64021), (1754, 46501), (1898, 42973), (3577, 22802), (6139, 13286), (6643, 12278), (7154, 11401)]