381812984

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1\times {\mathrm{271}}^1$

素因数の和:604

約数の個数: 64

約数和(自身を含む): 831667200

約数和(自身を除く): 449854216

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 181, 271, 278, 362, 542, 556, 724, 973, 1084, 1112, 1267, 1448, 1897, 1946, 2168, 2534, 3794, 3892, 5068, 7588, 7784, 10136, 15176, 25159, 37669, 49051, 50318, 75338, 98102, 100636, 150676, 176113, 196204, 201272, 263683, 301352, 343357, 352226, 392408, 527366, 686714, 704452, 1054732, 1373428, 1408904, 2109464, 2746856, 6818089, 13636178, 27272356, 47726623, 54544712, 95453246, 190906492, 381812984]

約数ペア:

[(1, 381812984), (2, 190906492), (4, 95453246), (7, 54544712), (8, 47726623), (14, 27272356), (28, 13636178), (56, 6818089), (139, 2746856), (181, 2109464), (271, 1408904), (278, 1373428), (362, 1054732), (542, 704452), (556, 686714), (724, 527366), (973, 392408), (1084, 352226), (1112, 343357), (1267, 301352), (1448, 263683), (1897, 201272), (1946, 196204), (2168, 176113), (2534, 150676), (3794, 100636), (3892, 98102), (5068, 75338), (7588, 50318), (7784, 49051), (10136, 37669), (15176, 25159)]