977339972

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{2267}}^1$

素因数の和:2540

約数の個数: 48

約数和(自身を含む): 1988945280

約数和(自身を除く): 1011605308

約数列:

[1, 2, 4, 7, 14, 28, 89, 173, 178, 346, 356, 623, 692, 1211, 1246, 2267, 2422, 2492, 4534, 4844, 9068, 15397, 15869, 30794, 31738, 61588, 63476, 107779, 201763, 215558, 392191, 403526, 431116, 784382, 807052, 1412341, 1568764, 2745337, 2824682, 5490674, 5649364, 10981348, 34904999, 69809998, 139619996, 244334993, 488669986, 977339972]

約数ペア:

[(1, 977339972), (2, 488669986), (4, 244334993), (7, 139619996), (14, 69809998), (28, 34904999), (89, 10981348), (173, 5649364), (178, 5490674), (346, 2824682), (356, 2745337), (623, 1568764), (692, 1412341), (1211, 807052), (1246, 784382), (2267, 431116), (2422, 403526), (2492, 392191), (4534, 215558), (4844, 201763), (9068, 107779), (15397, 63476), (15869, 61588), (30794, 31738)]