211236493

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{139}}^2$

素因数の和:349

約数の個数: 18

約数和(自身を含む): 237307434

約数和(自身を除く): 26070941

約数列:

[1, 13, 29, 139, 377, 841, 1807, 4031, 10933, 19321, 52403, 116899, 251173, 560309, 1519687, 7284017, 16248961, 211236493]

約数ペア:

[(1, 211236493), (13, 16248961), (29, 7284017), (139, 1519687), (377, 560309), (841, 251173), (1807, 116899), (4031, 52403), (10933, 19321)]