778898176

素因数分解:

$2^8\times 7^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:274

約数の個数: 144

約数和(自身を含む): 1854316800

約数和(自身を除く): 1075418624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 59, 64, 106, 112, 118, 128, 139, 212, 224, 236, 256, 278, 371, 413, 424, 448, 472, 556, 742, 826, 848, 896, 944, 973, 1112, 1484, 1652, 1696, 1792, 1888, 1946, 2224, 2968, 3127, 3304, 3392, 3776, 3892, 4448, 5936, 6254, 6608, 6784, 7367, 7552, 7784, 8201, 8896, 11872, 12508, 13216, 13568, 14734, 15104, 15568, 16402, 17792, 21889, 23744, 25016, 26432, 29468, 31136, 32804, 35584, 43778, 47488, 50032, 51569, 52864, 57407, 58936, 62272, 65608, 87556, 94976, 100064, 103138, 105728, 114814, 117872, 124544, 131216, 175112, 200128, 206276, 229628, 235744, 249088, 262432, 350224, 400256, 412552, 434653, 459256, 471488, 524864, 700448, 800512, 825104, 869306, 918512, 942976, 1049728, 1400896, 1650208, 1738612, 1837024, 1885952, 2099456, 2801792, 3042571, 3300416, 3477224, 3674048, 5603584, 6085142, 6600832, 6954448, 7348096, 12170284, 13201664, 13908896, 14696192, 24340568, 27817792, 48681136, 55635584, 97362272, 111271168, 194724544, 389449088, 778898176]

約数ペア:

[(1, 778898176), (2, 389449088), (4, 194724544), (7, 111271168), (8, 97362272), (14, 55635584), (16, 48681136), (28, 27817792), (32, 24340568), (53, 14696192), (56, 13908896), (59, 13201664), (64, 12170284), (106, 7348096), (112, 6954448), (118, 6600832), (128, 6085142), (139, 5603584), (212, 3674048), (224, 3477224), (236, 3300416), (256, 3042571), (278, 2801792), (371, 2099456), (413, 1885952), (424, 1837024), (448, 1738612), (472, 1650208), (556, 1400896), (742, 1049728), (826, 942976), (848, 918512), (896, 869306), (944, 825104), (973, 800512), (1112, 700448), (1484, 524864), (1652, 471488), (1696, 459256), (1792, 434653), (1888, 412552), (1946, 400256), (2224, 350224), (2968, 262432), (3127, 249088), (3304, 235744), (3392, 229628), (3776, 206276), (3892, 200128), (4448, 175112), (5936, 131216), (6254, 124544), (6608, 117872), (6784, 114814), (7367, 105728), (7552, 103138), (7784, 100064), (8201, 94976), (8896, 87556), (11872, 65608), (12508, 62272), (13216, 58936), (13568, 57407), (14734, 52864), (15104, 51569), (15568, 50032), (16402, 47488), (17792, 43778), (21889, 35584), (23744, 32804), (25016, 31136), (26432, 29468)]