28775131

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{641}}^1$

素因数の和:723

約数の個数: 24

約数和(自身を含む): 36886752

約数和(自身を除く): 8111621

約数列:

[1, 7, 11, 53, 77, 121, 371, 583, 641, 847, 4081, 4487, 6413, 7051, 33973, 44891, 49357, 77561, 237811, 373703, 542927, 2615921, 4110733, 28775131]

約数ペア:

[(1, 28775131), (7, 4110733), (11, 2615921), (53, 542927), (77, 373703), (121, 237811), (371, 77561), (583, 49357), (641, 44891), (847, 33973), (4081, 7051), (4487, 6413)]