977761915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{320053}}^1$

素因数の和:320118

約数の個数: 16

約数和(自身を含む): 1290457728

約数和(自身を除く): 312695813

約数列:

[1, 5, 13, 47, 65, 235, 611, 3055, 320053, 1600265, 4160689, 15042491, 20803445, 75212455, 195552383, 977761915]

約数ペア:

[(1, 977761915), (5, 195552383), (13, 75212455), (47, 20803445), (65, 15042491), (235, 4160689), (611, 1600265), (3055, 320053)]