28969388

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2423}}^1$

素因数の和:2502

約数の個数: 36

約数和(自身を含む): 59964912

約数和(自身を除く): 30995524

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 196, 244, 427, 854, 1708, 2423, 2989, 4846, 5978, 9692, 11956, 16961, 33922, 67844, 118727, 147803, 237454, 295606, 474908, 591212, 1034621, 2069242, 4138484, 7242347, 14484694, 28969388]

約数ペア:

[(1, 28969388), (2, 14484694), (4, 7242347), (7, 4138484), (14, 2069242), (28, 1034621), (49, 591212), (61, 474908), (98, 295606), (122, 237454), (196, 147803), (244, 118727), (427, 67844), (854, 33922), (1708, 16961), (2423, 11956), (2989, 9692), (4846, 5978)]