219999808

素因数分解:

$2^6\times 7^2\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:161

約数の個数: 126

約数和(自身を含む): 531936198

約数和(自身を除く): 311936390

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 64, 73, 98, 112, 124, 146, 196, 217, 224, 248, 292, 392, 434, 448, 496, 511, 584, 784, 868, 961, 992, 1022, 1168, 1519, 1568, 1736, 1922, 1984, 2044, 2263, 2336, 3038, 3136, 3472, 3577, 3844, 4088, 4526, 4672, 6076, 6727, 6944, 7154, 7688, 8176, 9052, 12152, 13454, 13888, 14308, 15376, 15841, 16352, 18104, 24304, 26908, 28616, 30752, 31682, 32704, 36208, 47089, 48608, 53816, 57232, 61504, 63364, 70153, 72416, 94178, 97216, 107632, 110887, 114464, 126728, 140306, 144832, 188356, 215264, 221774, 228928, 253456, 280612, 376712, 430528, 443548, 491071, 506912, 561224, 753424, 887096, 982142, 1013824, 1122448, 1506848, 1774192, 1964284, 2244896, 3013696, 3437497, 3548384, 3928568, 4489792, 6874994, 7096768, 7857136, 13749988, 15714272, 27499976, 31428544, 54999952, 109999904, 219999808]

約数ペア:

[(1, 219999808), (2, 109999904), (4, 54999952), (7, 31428544), (8, 27499976), (14, 15714272), (16, 13749988), (28, 7857136), (31, 7096768), (32, 6874994), (49, 4489792), (56, 3928568), (62, 3548384), (64, 3437497), (73, 3013696), (98, 2244896), (112, 1964284), (124, 1774192), (146, 1506848), (196, 1122448), (217, 1013824), (224, 982142), (248, 887096), (292, 753424), (392, 561224), (434, 506912), (448, 491071), (496, 443548), (511, 430528), (584, 376712), (784, 280612), (868, 253456), (961, 228928), (992, 221774), (1022, 215264), (1168, 188356), (1519, 144832), (1568, 140306), (1736, 126728), (1922, 114464), (1984, 110887), (2044, 107632), (2263, 97216), (2336, 94178), (3038, 72416), (3136, 70153), (3472, 63364), (3577, 61504), (3844, 57232), (4088, 53816), (4526, 48608), (4672, 47089), (6076, 36208), (6727, 32704), (6944, 31682), (7154, 30752), (7688, 28616), (8176, 26908), (9052, 24304), (12152, 18104), (13454, 16352), (13888, 15841), (14308, 15376)]