31520281

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{389}}^1$

素因数の和:696

約数の個数: 16

約数和(自身を含む): 35642880

約数和(自身を除く): 4122599

約数列:

[1, 13, 23, 271, 299, 389, 3523, 5057, 6233, 8947, 81029, 105419, 116311, 1370447, 2424637, 31520281]

約数ペア:

[(1, 31520281), (13, 2424637), (23, 1370447), (271, 116311), (299, 105419), (389, 81029), (3523, 8947), (5057, 6233)]