2154128

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:183

約数の個数: 40

約数和(自身を含む): 4452096

約数和(自身を除く): 2297968

約数列:

[1, 2, 4, 8, 16, 31, 43, 62, 86, 101, 124, 172, 202, 248, 344, 404, 496, 688, 808, 1333, 1616, 2666, 3131, 4343, 5332, 6262, 8686, 10664, 12524, 17372, 21328, 25048, 34744, 50096, 69488, 134633, 269266, 538532, 1077064, 2154128]

約数ペア:

[(1, 2154128), (2, 1077064), (4, 538532), (8, 269266), (16, 134633), (31, 69488), (43, 50096), (62, 34744), (86, 25048), (101, 21328), (124, 17372), (172, 12524), (202, 10664), (248, 8686), (344, 6262), (404, 5332), (496, 4343), (688, 3131), (808, 2666), (1333, 1616)]