127965290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{3821}}^1$

素因数の和:4042

約数の個数: 32

約数和(自身を含む): 245188944

約数和(自身を除く): 117223654

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 197, 394, 985, 1970, 3349, 3821, 6698, 7642, 16745, 19105, 33490, 38210, 64957, 129914, 324785, 649570, 752737, 1505474, 3763685, 7527370, 12796529, 25593058, 63982645, 127965290]

約数ペア:

[(1, 127965290), (2, 63982645), (5, 25593058), (10, 12796529), (17, 7527370), (34, 3763685), (85, 1505474), (170, 752737), (197, 649570), (394, 324785), (985, 129914), (1970, 64957), (3349, 38210), (3821, 33490), (6698, 19105), (7642, 16745)]