28400722

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{457}}^1$

素因数の和:682

約数の個数: 32

約数和(自身を含む): 51178752

約数和(自身を除く): 22778030

約数列:

[1, 2, 7, 14, 23, 46, 161, 193, 322, 386, 457, 914, 1351, 2702, 3199, 4439, 6398, 8878, 10511, 21022, 31073, 62146, 73577, 88201, 147154, 176402, 617407, 1234814, 2028623, 4057246, 14200361, 28400722]

約数ペア:

[(1, 28400722), (2, 14200361), (7, 4057246), (14, 2028623), (23, 1234814), (46, 617407), (161, 176402), (193, 147154), (322, 88201), (386, 73577), (457, 62146), (914, 31073), (1351, 21022), (2702, 10511), (3199, 8878), (4439, 6398)]