209969312

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{7877}}^1$

素因数の和:7918

約数の個数: 72

約数和(自身を含む): 509218164

約数和(自身を除く): 299248852

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 68, 98, 112, 119, 136, 196, 224, 238, 272, 392, 476, 544, 784, 833, 952, 1568, 1666, 1904, 3332, 3808, 6664, 7877, 13328, 15754, 26656, 31508, 55139, 63016, 110278, 126032, 133909, 220556, 252064, 267818, 385973, 441112, 535636, 771946, 882224, 937363, 1071272, 1543892, 1764448, 1874726, 2142544, 3087784, 3749452, 4285088, 6175568, 6561541, 7498904, 12351136, 13123082, 14997808, 26246164, 29995616, 52492328, 104984656, 209969312]

約数ペア:

[(1, 209969312), (2, 104984656), (4, 52492328), (7, 29995616), (8, 26246164), (14, 14997808), (16, 13123082), (17, 12351136), (28, 7498904), (32, 6561541), (34, 6175568), (49, 4285088), (56, 3749452), (68, 3087784), (98, 2142544), (112, 1874726), (119, 1764448), (136, 1543892), (196, 1071272), (224, 937363), (238, 882224), (272, 771946), (392, 535636), (476, 441112), (544, 385973), (784, 267818), (833, 252064), (952, 220556), (1568, 133909), (1666, 126032), (1904, 110278), (3332, 63016), (3808, 55139), (6664, 31508), (7877, 26656), (13328, 15754)]