389636828

素因数分解:

$2^2\times 7^2\times {\mathrm{173}}^1\times {\mathrm{11491}}^1$

素因数の和:11682

約数の個数: 36

約数和(自身を含む): 797843592

約数和(自身を除く): 408206764

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 173, 196, 346, 692, 1211, 2422, 4844, 8477, 11491, 16954, 22982, 33908, 45964, 80437, 160874, 321748, 563059, 1126118, 1987943, 2252236, 3975886, 7951772, 13915601, 27831202, 55662404, 97409207, 194818414, 389636828]

約数ペア:

[(1, 389636828), (2, 194818414), (4, 97409207), (7, 55662404), (14, 27831202), (28, 13915601), (49, 7951772), (98, 3975886), (173, 2252236), (196, 1987943), (346, 1126118), (692, 563059), (1211, 321748), (2422, 160874), (4844, 80437), (8477, 45964), (11491, 33908), (16954, 22982)]