81939452

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 167650560

約数和(自身を除く): 85711108

約数列:

[1, 2, 4, 7, 14, 28, 89, 131, 178, 251, 262, 356, 502, 524, 623, 917, 1004, 1246, 1757, 1834, 2492, 3514, 3668, 7028, 11659, 22339, 23318, 32881, 44678, 46636, 65762, 81613, 89356, 131524, 156373, 163226, 230167, 312746, 326452, 460334, 625492, 920668, 2926409, 5852818, 11705636, 20484863, 40969726, 81939452]

約数ペア:

[(1, 81939452), (2, 40969726), (4, 20484863), (7, 11705636), (14, 5852818), (28, 2926409), (89, 920668), (131, 625492), (178, 460334), (251, 326452), (262, 312746), (356, 230167), (502, 163226), (524, 156373), (623, 131524), (917, 89356), (1004, 81613), (1246, 65762), (1757, 46636), (1834, 44678), (2492, 32881), (3514, 23318), (3668, 22339), (7028, 11659)]