28128996

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{111623}}^1$

素因数の和:111640

約数の個数: 36

約数和(自身を含む): 81262272

約数和(自身を除く): 53133276

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 111623, 223246, 334869, 446492, 669738, 781361, 1004607, 1339476, 1562722, 2009214, 2344083, 3125444, 4018428, 4688166, 7032249, 9376332, 14064498, 28128996]

約数ペア:

[(1, 28128996), (2, 14064498), (3, 9376332), (4, 7032249), (6, 4688166), (7, 4018428), (9, 3125444), (12, 2344083), (14, 2009214), (18, 1562722), (21, 1339476), (28, 1004607), (36, 781361), (42, 669738), (63, 446492), (84, 334869), (126, 223246), (252, 111623)]