212761915

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1\times {\mathrm{2477}}^1$

素因数の和:2942

約数の個数: 16

約数和(自身を含む): 262271520

約数和(自身を除く): 49509605

約数列:

[1, 5, 41, 205, 419, 2095, 2477, 12385, 17179, 85895, 101557, 507785, 1037863, 5189315, 42552383, 212761915]

約数ペア:

[(1, 212761915), (5, 42552383), (41, 5189315), (205, 1037863), (419, 507785), (2095, 101557), (2477, 85895), (12385, 17179)]