255996776

素因数分解:

$2^3\times 7^2\times {\mathrm{457}}^1\times {\mathrm{1429}}^1$

素因数の和:1906

約数の個数: 48

約数和(自身を含む): 559973700

約数和(自身を除く): 303976924

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 457, 914, 1429, 1828, 2858, 3199, 3656, 5716, 6398, 10003, 11432, 12796, 20006, 22393, 25592, 40012, 44786, 70021, 80024, 89572, 140042, 179144, 280084, 560168, 653053, 1306106, 2612212, 4571371, 5224424, 9142742, 18285484, 31999597, 36570968, 63999194, 127998388, 255996776]

約数ペア:

[(1, 255996776), (2, 127998388), (4, 63999194), (7, 36570968), (8, 31999597), (14, 18285484), (28, 9142742), (49, 5224424), (56, 4571371), (98, 2612212), (196, 1306106), (392, 653053), (457, 560168), (914, 280084), (1429, 179144), (1828, 140042), (2858, 89572), (3199, 80024), (3656, 70021), (5716, 44786), (6398, 40012), (10003, 25592), (11432, 22393), (12796, 20006)]