221029984

素因数分解:

$2^5\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1931}}^1$

素因数の和:2028

約数の個数: 72

約数和(自身を含む): 513398088

約数和(自身を除く): 292368104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 73, 98, 112, 146, 196, 224, 292, 392, 511, 584, 784, 1022, 1168, 1568, 1931, 2044, 2336, 3577, 3862, 4088, 7154, 7724, 8176, 13517, 14308, 15448, 16352, 27034, 28616, 30896, 54068, 57232, 61792, 94619, 108136, 114464, 140963, 189238, 216272, 281926, 378476, 432544, 563852, 756952, 986741, 1127704, 1513904, 1973482, 2255408, 3027808, 3946964, 4510816, 6907187, 7893928, 13814374, 15787856, 27628748, 31575712, 55257496, 110514992, 221029984]

約数ペア:

[(1, 221029984), (2, 110514992), (4, 55257496), (7, 31575712), (8, 27628748), (14, 15787856), (16, 13814374), (28, 7893928), (32, 6907187), (49, 4510816), (56, 3946964), (73, 3027808), (98, 2255408), (112, 1973482), (146, 1513904), (196, 1127704), (224, 986741), (292, 756952), (392, 563852), (511, 432544), (584, 378476), (784, 281926), (1022, 216272), (1168, 189238), (1568, 140963), (1931, 114464), (2044, 108136), (2336, 94619), (3577, 61792), (3862, 57232), (4088, 54068), (7154, 30896), (7724, 28616), (8176, 27034), (13517, 16352), (14308, 15448)]