215517904

素因数分解:

$2^4\times 7^1\times {\mathrm{223}}^1\times {\mathrm{8629}}^1$

素因数の和:8867

約数の個数: 40

約数和(自身を含む): 479413760

約数和(自身を除く): 263895856

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 223, 446, 892, 1561, 1784, 3122, 3568, 6244, 8629, 12488, 17258, 24976, 34516, 60403, 69032, 120806, 138064, 241612, 483224, 966448, 1924267, 3848534, 7697068, 13469869, 15394136, 26939738, 30788272, 53879476, 107758952, 215517904]

約数ペア:

[(1, 215517904), (2, 107758952), (4, 53879476), (7, 30788272), (8, 26939738), (14, 15394136), (16, 13469869), (28, 7697068), (56, 3848534), (112, 1924267), (223, 966448), (446, 483224), (892, 241612), (1561, 138064), (1784, 120806), (3122, 69032), (3568, 60403), (6244, 34516), (8629, 24976), (12488, 17258)]