2787784

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 5544000

約数和(自身を除く): 2756216

約数列:

[1, 2, 4, 8, 23, 46, 92, 109, 139, 184, 218, 278, 436, 556, 872, 1112, 2507, 3197, 5014, 6394, 10028, 12788, 15151, 20056, 25576, 30302, 60604, 121208, 348473, 696946, 1393892, 2787784]

約数ペア:

[(1, 2787784), (2, 1393892), (4, 696946), (8, 348473), (23, 121208), (46, 60604), (92, 30302), (109, 25576), (139, 20056), (184, 15151), (218, 12788), (278, 10028), (436, 6394), (556, 5014), (872, 3197), (1112, 2507)]