391921952

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{6947}}^1$

素因数の和:7041

約数の個数: 48

約数和(自身を含む): 808913952

約数和(自身を除く): 416992000

約数列:

[1, 2, 4, 8, 16, 32, 41, 43, 82, 86, 164, 172, 328, 344, 656, 688, 1312, 1376, 1763, 3526, 6947, 7052, 13894, 14104, 27788, 28208, 55576, 56416, 111152, 222304, 284827, 298721, 569654, 597442, 1139308, 1194884, 2278616, 2389768, 4557232, 4779536, 9114464, 9559072, 12247561, 24495122, 48990244, 97980488, 195960976, 391921952]

約数ペア:

[(1, 391921952), (2, 195960976), (4, 97980488), (8, 48990244), (16, 24495122), (32, 12247561), (41, 9559072), (43, 9114464), (82, 4779536), (86, 4557232), (164, 2389768), (172, 2278616), (328, 1194884), (344, 1139308), (656, 597442), (688, 569654), (1312, 298721), (1376, 284827), (1763, 222304), (3526, 111152), (6947, 56416), (7052, 55576), (13894, 28208), (14104, 27788)]