838404

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{1109}}^1$

素因数の和:1129

約数の個数: 48

約数和(自身を含む): 2486400

約数和(自身を除く): 1647996

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 1109, 2218, 3327, 4436, 6654, 7763, 9981, 13308, 15526, 19962, 23289, 29943, 31052, 39924, 46578, 59886, 69867, 93156, 119772, 139734, 209601, 279468, 419202, 838404]

約数ペア:

[(1, 838404), (2, 419202), (3, 279468), (4, 209601), (6, 139734), (7, 119772), (9, 93156), (12, 69867), (14, 59886), (18, 46578), (21, 39924), (27, 31052), (28, 29943), (36, 23289), (42, 19962), (54, 15526), (63, 13308), (84, 9981), (108, 7763), (126, 6654), (189, 4436), (252, 3327), (378, 2218), (756, 1109)]