219061490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1288597}}^1$

素因数の和:1288621

約数の個数: 16

約数和(自身を含む): 417505752

約数和(自身を除く): 198444262

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1288597, 2577194, 6442985, 12885970, 21906149, 43812298, 109530745, 219061490]

約数ペア:

[(1, 219061490), (2, 109530745), (5, 43812298), (10, 21906149), (17, 12885970), (34, 6442985), (85, 2577194), (170, 1288597)]