28717884

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61363}}^1$

素因数の和:61386

約数の個数: 36

約数和(自身を含む): 78177736

約数和(自身を除く): 49459852

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 61363, 122726, 184089, 245452, 368178, 552267, 736356, 797719, 1104534, 1595438, 2209068, 2393157, 3190876, 4786314, 7179471, 9572628, 14358942, 28717884]

約数ペア:

[(1, 28717884), (2, 14358942), (3, 9572628), (4, 7179471), (6, 4786314), (9, 3190876), (12, 2393157), (13, 2209068), (18, 1595438), (26, 1104534), (36, 797719), (39, 736356), (52, 552267), (78, 368178), (117, 245452), (156, 184089), (234, 122726), (468, 61363)]