209914416

素因数分解:

$2^4\times 3^4\times {\mathrm{161971}}^1$

素因数の和:161991

約数の個数: 50

約数和(自身を含む): 607556972

約数和(自身を除く): 397642556

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 324, 432, 648, 1296, 161971, 323942, 485913, 647884, 971826, 1295768, 1457739, 1943652, 2591536, 2915478, 3887304, 4373217, 5830956, 7774608, 8746434, 11661912, 13119651, 17492868, 23323824, 26239302, 34985736, 52478604, 69971472, 104957208, 209914416]

約数ペア:

[(1, 209914416), (2, 104957208), (3, 69971472), (4, 52478604), (6, 34985736), (8, 26239302), (9, 23323824), (12, 17492868), (16, 13119651), (18, 11661912), (24, 8746434), (27, 7774608), (36, 5830956), (48, 4373217), (54, 3887304), (72, 2915478), (81, 2591536), (108, 1943652), (144, 1457739), (162, 1295768), (216, 971826), (324, 647884), (432, 485913), (648, 323942), (1296, 161971)]