1997919828

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{353489}}^1$

素因数の和:353656

約数の個数: 36

約数和(自身を含む): 5082479220

約数和(自身を除く): 3084559392

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 628, 942, 1413, 1884, 2826, 5652, 353489, 706978, 1060467, 1413956, 2120934, 3181401, 4241868, 6362802, 12725604, 55497773, 110995546, 166493319, 221991092, 332986638, 499479957, 665973276, 998959914, 1997919828]

約数ペア:

[(1, 1997919828), (2, 998959914), (3, 665973276), (4, 499479957), (6, 332986638), (9, 221991092), (12, 166493319), (18, 110995546), (36, 55497773), (157, 12725604), (314, 6362802), (471, 4241868), (628, 3181401), (942, 2120934), (1413, 1413956), (1884, 1060467), (2826, 706978), (5652, 353489)]