28978796

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13441}}^1$

素因数の和:13470

約数の個数: 36

約数和(自身を含む): 64360296

約数和(自身を除く): 35381500

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 13441, 26882, 53764, 94087, 147851, 188174, 295702, 376348, 591404, 658609, 1034957, 1317218, 2069914, 2634436, 4139828, 7244699, 14489398, 28978796]

約数ペア:

[(1, 28978796), (2, 14489398), (4, 7244699), (7, 4139828), (11, 2634436), (14, 2069914), (22, 1317218), (28, 1034957), (44, 658609), (49, 591404), (77, 376348), (98, 295702), (154, 188174), (196, 147851), (308, 94087), (539, 53764), (1078, 26882), (2156, 13441)]