81357406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{11057}}^1$

素因数の和:11355

約数の個数: 16

約数和(自身を含む): 131899824

約数和(自身を除く): 50542418

約数列:

[1, 2, 13, 26, 283, 566, 3679, 7358, 11057, 22114, 143741, 287482, 3129131, 6258262, 40678703, 81357406]

約数ペア:

[(1, 81357406), (2, 40678703), (13, 6258262), (26, 3129131), (283, 287482), (566, 143741), (3679, 22114), (7358, 11057)]