199900688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{56533}}^1$

素因数の和:56571

約数の個数: 40

約数和(自身を含む): 441643608

約数和(自身を除く): 241742920

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 56533, 113066, 226132, 452264, 734929, 904528, 961061, 1469858, 1922122, 2939716, 3844244, 5879432, 7688488, 11758864, 12493793, 15376976, 24987586, 49975172, 99950344, 199900688]

約数ペア:

[(1, 199900688), (2, 99950344), (4, 49975172), (8, 24987586), (13, 15376976), (16, 12493793), (17, 11758864), (26, 7688488), (34, 5879432), (52, 3844244), (68, 2939716), (104, 1922122), (136, 1469858), (208, 961061), (221, 904528), (272, 734929), (442, 452264), (884, 226132), (1768, 113066), (3536, 56533)]