2491870521

素因数分解:

$3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{472751}}^1$

素因数の和:473012

約数の個数: 16

約数和(自身を含む): 3812272128

約数和(自身を除く): 1320401607

約数列:

[1, 3, 7, 21, 251, 753, 1757, 5271, 472751, 1418253, 3309257, 9927771, 118660501, 355981503, 830623507, 2491870521]

約数ペア:

[(1, 2491870521), (3, 830623507), (7, 355981503), (21, 118660501), (251, 9927771), (753, 3309257), (1757, 1418253), (5271, 472751)]