81534719

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{3761}}^1$

素因数の和:3950

約数の個数: 16

約数和(自身を含む): 98714880

約数和(自身を除く): 17180161

約数列:

[1, 7, 19, 133, 163, 1141, 3097, 3761, 21679, 26327, 71459, 500213, 613043, 4291301, 11647817, 81534719]

約数ペア:

[(1, 81534719), (7, 11647817), (19, 4291301), (133, 613043), (163, 500213), (1141, 71459), (3097, 26327), (3761, 21679)]