1978193208

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{6563}}^1$

素因数の和:7252

約数の個数: 64

約数和(自身を含む): 5214441600

約数和(自身を除く): 3236248392

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 456, 661, 1322, 1983, 2644, 3966, 5288, 6563, 7932, 12559, 13126, 15864, 19689, 25118, 26252, 37677, 39378, 50236, 52504, 75354, 78756, 100472, 124697, 150708, 157512, 249394, 301416, 374091, 498788, 748182, 997576, 1496364, 2992728, 4338143, 8676286, 13014429, 17352572, 26028858, 34705144, 52057716, 82424717, 104115432, 164849434, 247274151, 329698868, 494548302, 659397736, 989096604, 1978193208]

約数ペア:

[(1, 1978193208), (2, 989096604), (3, 659397736), (4, 494548302), (6, 329698868), (8, 247274151), (12, 164849434), (19, 104115432), (24, 82424717), (38, 52057716), (57, 34705144), (76, 26028858), (114, 17352572), (152, 13014429), (228, 8676286), (456, 4338143), (661, 2992728), (1322, 1496364), (1983, 997576), (2644, 748182), (3966, 498788), (5288, 374091), (6563, 301416), (7932, 249394), (12559, 157512), (13126, 150708), (15864, 124697), (19689, 100472), (25118, 78756), (26252, 75354), (37677, 52504), (39378, 50236)]