391174216

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{2383}}^1$

素因数の和:2494

約数の個数: 48

約数和(自身を含む): 790439040

約数和(自身を除く): 399264824

約数列:

[1, 2, 4, 8, 17, 34, 68, 71, 136, 142, 284, 289, 568, 578, 1156, 1207, 2312, 2383, 2414, 4766, 4828, 9532, 9656, 19064, 20519, 40511, 41038, 81022, 82076, 162044, 164152, 169193, 324088, 338386, 676772, 688687, 1353544, 1377374, 2754748, 2876281, 5509496, 5752562, 11505124, 23010248, 48896777, 97793554, 195587108, 391174216]

約数ペア:

[(1, 391174216), (2, 195587108), (4, 97793554), (8, 48896777), (17, 23010248), (34, 11505124), (68, 5752562), (71, 5509496), (136, 2876281), (142, 2754748), (284, 1377374), (289, 1353544), (568, 688687), (578, 676772), (1156, 338386), (1207, 324088), (2312, 169193), (2383, 164152), (2414, 162044), (4766, 82076), (4828, 81022), (9532, 41038), (9656, 40511), (19064, 20519)]