291275992

素因数分解:

$2^3\times 7^2\times {\mathrm{239}}^1\times {\mathrm{3109}}^1$

素因数の和:3368

約数の個数: 48

約数和(自身を含む): 638172000

約数和(自身を除く): 346896008

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 239, 392, 478, 956, 1673, 1912, 3109, 3346, 6218, 6692, 11711, 12436, 13384, 21763, 23422, 24872, 43526, 46844, 87052, 93688, 152341, 174104, 304682, 609364, 743051, 1218728, 1486102, 2972204, 5201357, 5944408, 10402714, 20805428, 36409499, 41610856, 72818998, 145637996, 291275992]

約数ペア:

[(1, 291275992), (2, 145637996), (4, 72818998), (7, 41610856), (8, 36409499), (14, 20805428), (28, 10402714), (49, 5944408), (56, 5201357), (98, 2972204), (196, 1486102), (239, 1218728), (392, 743051), (478, 609364), (956, 304682), (1673, 174104), (1912, 152341), (3109, 93688), (3346, 87052), (6218, 46844), (6692, 43526), (11711, 24872), (12436, 23422), (13384, 21763)]