1640615

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:250

約数の個数: 16

約数和(自身を含む): 2068416

約数和(自身を除く): 427801

約数列:

[1, 5, 41, 53, 151, 205, 265, 755, 2173, 6191, 8003, 10865, 30955, 40015, 328123, 1640615]

約数ペア:

[(1, 1640615), (5, 328123), (41, 40015), (53, 30955), (151, 10865), (205, 8003), (265, 6191), (755, 2173)]