28378548

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71663}}^1$

素因数の和:71684

約数の個数: 36

約数和(自身を含む): 78257088

約数和(自身を除く): 49878540

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 71663, 143326, 214989, 286652, 429978, 644967, 788293, 859956, 1289934, 1576586, 2364879, 2579868, 3153172, 4729758, 7094637, 9459516, 14189274, 28378548]

約数ペア:

[(1, 28378548), (2, 14189274), (3, 9459516), (4, 7094637), (6, 4729758), (9, 3153172), (11, 2579868), (12, 2364879), (18, 1576586), (22, 1289934), (33, 859956), (36, 788293), (44, 644967), (66, 429978), (99, 286652), (132, 214989), (198, 143326), (396, 71663)]