1396984

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 2787840

約数和(自身を除く): 1390856

約数列:

[1, 2, 4, 8, 31, 43, 62, 86, 124, 131, 172, 248, 262, 344, 524, 1048, 1333, 2666, 4061, 5332, 5633, 8122, 10664, 11266, 16244, 22532, 32488, 45064, 174623, 349246, 698492, 1396984]

約数ペア:

[(1, 1396984), (2, 698492), (4, 349246), (8, 174623), (31, 45064), (43, 32488), (62, 22532), (86, 16244), (124, 11266), (131, 10664), (172, 8122), (248, 5633), (262, 5332), (344, 4061), (524, 2666), (1048, 1333)]