400156904

素因数分解:

$2^3\times 7^1\times {\mathrm{643}}^1\times {\mathrm{11113}}^1$

素因数の和:11769

約数の個数: 32

約数和(自身を含む): 858889920

約数和(自身を除く): 458733016

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 643, 1286, 2572, 4501, 5144, 9002, 11113, 18004, 22226, 36008, 44452, 77791, 88904, 155582, 311164, 622328, 7145659, 14291318, 28582636, 50019613, 57165272, 100039226, 200078452, 400156904]

約数ペア:

[(1, 400156904), (2, 200078452), (4, 100039226), (7, 57165272), (8, 50019613), (14, 28582636), (28, 14291318), (56, 7145659), (643, 622328), (1286, 311164), (2572, 155582), (4501, 88904), (5144, 77791), (9002, 44452), (11113, 36008), (18004, 22226)]