16666664

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:139

約数の個数: 96

約数和(自身を含む): 40075560

約数和(自身を除く): 23408896

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 41, 49, 56, 61, 68, 82, 98, 119, 122, 136, 164, 196, 238, 244, 287, 328, 392, 427, 476, 488, 574, 697, 833, 854, 952, 1037, 1148, 1394, 1666, 1708, 2009, 2074, 2296, 2501, 2788, 2989, 3332, 3416, 4018, 4148, 4879, 5002, 5576, 5978, 6664, 7259, 8036, 8296, 9758, 10004, 11956, 14518, 16072, 17507, 19516, 20008, 23912, 29036, 34153, 35014, 39032, 42517, 50813, 58072, 68306, 70028, 85034, 101626, 122549, 136612, 140056, 170068, 203252, 245098, 273224, 297619, 340136, 406504, 490196, 595238, 980392, 1190476, 2083333, 2380952, 4166666, 8333332, 16666664]

約数ペア:

[(1, 16666664), (2, 8333332), (4, 4166666), (7, 2380952), (8, 2083333), (14, 1190476), (17, 980392), (28, 595238), (34, 490196), (41, 406504), (49, 340136), (56, 297619), (61, 273224), (68, 245098), (82, 203252), (98, 170068), (119, 140056), (122, 136612), (136, 122549), (164, 101626), (196, 85034), (238, 70028), (244, 68306), (287, 58072), (328, 50813), (392, 42517), (427, 39032), (476, 35014), (488, 34153), (574, 29036), (697, 23912), (833, 20008), (854, 19516), (952, 17507), (1037, 16072), (1148, 14518), (1394, 11956), (1666, 10004), (1708, 9758), (2009, 8296), (2074, 8036), (2296, 7259), (2501, 6664), (2788, 5978), (2989, 5576), (3332, 5002), (3416, 4879), (4018, 4148)]