7872904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:170

約数の個数: 64

約数和(自身を含む): 17342640

約数和(自身を除く): 9469736

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 61, 68, 73, 104, 122, 136, 146, 221, 244, 292, 442, 488, 584, 793, 884, 949, 1037, 1241, 1586, 1768, 1898, 2074, 2482, 3172, 3796, 4148, 4453, 4964, 6344, 7592, 8296, 8906, 9928, 13481, 16133, 17812, 26962, 32266, 35624, 53924, 57889, 64532, 75701, 107848, 115778, 129064, 151402, 231556, 302804, 463112, 605608, 984113, 1968226, 3936452, 7872904]

約数ペア:

[(1, 7872904), (2, 3936452), (4, 1968226), (8, 984113), (13, 605608), (17, 463112), (26, 302804), (34, 231556), (52, 151402), (61, 129064), (68, 115778), (73, 107848), (104, 75701), (122, 64532), (136, 57889), (146, 53924), (221, 35624), (244, 32266), (292, 26962), (442, 17812), (488, 16133), (584, 13481), (793, 9928), (884, 8906), (949, 8296), (1037, 7592), (1241, 6344), (1586, 4964), (1768, 4453), (1898, 4148), (2074, 3796), (2482, 3172)]