1998561605

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2251}}^1$

素因数の和:2429

約数の個数: 32

約数和(自身を含む): 2533337856

約数和(自身を除く): 534776251

約数列:

[1, 5, 41, 61, 71, 205, 305, 355, 2251, 2501, 2911, 4331, 11255, 12505, 14555, 21655, 92291, 137311, 159821, 177571, 461455, 686555, 799105, 887855, 5629751, 6552661, 9749081, 28148755, 32763305, 48745405, 399712321, 1998561605]

約数ペア:

[(1, 1998561605), (5, 399712321), (41, 48745405), (61, 32763305), (71, 28148755), (205, 9749081), (305, 6552661), (355, 5629751), (2251, 887855), (2501, 799105), (2911, 686555), (4331, 461455), (11255, 177571), (12505, 159821), (14555, 137311), (21655, 92291)]