28217196

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{111973}}^1$

素因数の和:111990

約数の個数: 36

約数和(自身を含む): 81517072

約数和(自身を除く): 53299876

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 111973, 223946, 335919, 447892, 671838, 783811, 1007757, 1343676, 1567622, 2015514, 2351433, 3135244, 4031028, 4702866, 7054299, 9405732, 14108598, 28217196]

約数ペア:

[(1, 28217196), (2, 14108598), (3, 9405732), (4, 7054299), (6, 4702866), (7, 4031028), (9, 3135244), (12, 2351433), (14, 2015514), (18, 1567622), (21, 1343676), (28, 1007757), (36, 783811), (42, 671838), (63, 447892), (84, 335919), (126, 223946), (252, 111973)]