908997593

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1439}}^1$

素因数の和:1589

約数の個数: 32

約数和(自身を含む): 1114767360

約数和(自身を除く): 205769767

約数列:

[1, 7, 31, 41, 71, 217, 287, 497, 1271, 1439, 2201, 2911, 8897, 10073, 15407, 20377, 44609, 58999, 90241, 102169, 312263, 412993, 631687, 715183, 1828969, 3167239, 4188929, 12802783, 22170673, 29322503, 129856799, 908997593]

約数ペア:

[(1, 908997593), (7, 129856799), (31, 29322503), (41, 22170673), (71, 12802783), (217, 4188929), (287, 3167239), (497, 1828969), (1271, 715183), (1439, 631687), (2201, 412993), (2911, 312263), (8897, 102169), (10073, 90241), (15407, 58999), (20377, 44609)]