1638364

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{643}}^1$

素因数の和:674

約数の個数: 36

約数和(自身を含む): 3597384

約数和(自身を除く): 1959020

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 643, 1274, 1286, 2548, 2572, 4501, 8359, 9002, 16718, 18004, 31507, 33436, 58513, 63014, 117026, 126028, 234052, 409591, 819182, 1638364]

約数ペア:

[(1, 1638364), (2, 819182), (4, 409591), (7, 234052), (13, 126028), (14, 117026), (26, 63014), (28, 58513), (49, 33436), (52, 31507), (91, 18004), (98, 16718), (182, 9002), (196, 8359), (364, 4501), (637, 2572), (643, 2548), (1274, 1286)]