28741559

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{16229}}^1$

素因数の和:16270

約数の個数: 16

約数和(自身を含む): 37393920

約数和(自身を除く): 8652361

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 16229, 113603, 178519, 373267, 1249633, 2612869, 4105937, 28741559]

約数ペア:

[(1, 28741559), (7, 4105937), (11, 2612869), (23, 1249633), (77, 373267), (161, 178519), (253, 113603), (1771, 16229)]