291249746

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:507

約数の個数: 48

約数和(自身を含む): 497479320

約数和(自身を除く): 206229574

約数列:

[1, 2, 17, 19, 34, 38, 61, 122, 323, 361, 389, 646, 722, 778, 1037, 1159, 2074, 2318, 6137, 6613, 7391, 12274, 13226, 14782, 19703, 22021, 23729, 39406, 44042, 47458, 125647, 140429, 251294, 280858, 374357, 403393, 450851, 748714, 806786, 901702, 2387293, 4774586, 7664467, 8566169, 15328934, 17132338, 145624873, 291249746]

約数ペア:

[(1, 291249746), (2, 145624873), (17, 17132338), (19, 15328934), (34, 8566169), (38, 7664467), (61, 4774586), (122, 2387293), (323, 901702), (361, 806786), (389, 748714), (646, 450851), (722, 403393), (778, 374357), (1037, 280858), (1159, 251294), (2074, 140429), (2318, 125647), (6137, 47458), (6613, 44042), (7391, 39406), (12274, 23729), (13226, 22021), (14782, 19703)]