40898209

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 50823936

約数和(自身を除く): 9925727

約数列:

[1, 11, 17, 23, 37, 187, 253, 257, 391, 407, 629, 851, 2827, 4301, 4369, 5911, 6919, 9361, 9509, 14467, 48059, 65021, 100487, 104599, 159137, 161653, 218707, 1105357, 1778183, 2405777, 3718019, 40898209]

約数ペア:

[(1, 40898209), (11, 3718019), (17, 2405777), (23, 1778183), (37, 1105357), (187, 218707), (253, 161653), (257, 159137), (391, 104599), (407, 100487), (629, 65021), (851, 48059), (2827, 14467), (4301, 9509), (4369, 9361), (5911, 6919)]