123439979

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{907}}^1$

素因数の和:987

約数の個数: 24

約数和(自身を含む): 145298160

約数和(自身を除く): 21858181

約数列:

[1, 13, 19, 29, 247, 361, 377, 551, 907, 4693, 7163, 10469, 11791, 17233, 26303, 136097, 224029, 327427, 341939, 499757, 4256551, 6496841, 9495383, 123439979]

約数ペア:

[(1, 123439979), (13, 9495383), (19, 6496841), (29, 4256551), (247, 499757), (361, 341939), (377, 327427), (551, 224029), (907, 136097), (4693, 26303), (7163, 17233), (10469, 11791)]