28615216

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:171

約数の個数: 120

約数和(自身を含む): 72517680

約数和(自身を除く): 43902464

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 34, 38, 49, 56, 68, 76, 98, 112, 113, 119, 133, 136, 152, 196, 226, 238, 266, 272, 304, 323, 392, 452, 476, 532, 646, 784, 791, 833, 904, 931, 952, 1064, 1292, 1582, 1666, 1808, 1862, 1904, 1921, 2128, 2147, 2261, 2584, 3164, 3332, 3724, 3842, 4294, 4522, 5168, 5537, 6328, 6664, 7448, 7684, 8588, 9044, 11074, 12656, 13328, 13447, 14896, 15029, 15368, 15827, 17176, 18088, 22148, 26894, 30058, 30736, 31654, 34352, 36176, 36499, 44296, 53788, 60116, 63308, 72998, 88592, 94129, 105203, 107576, 120232, 126616, 145996, 188258, 210406, 215152, 240464, 253232, 255493, 291992, 376516, 420812, 510986, 583984, 753032, 841624, 1021972, 1506064, 1683248, 1788451, 2043944, 3576902, 4087888, 7153804, 14307608, 28615216]

約数ペア:

[(1, 28615216), (2, 14307608), (4, 7153804), (7, 4087888), (8, 3576902), (14, 2043944), (16, 1788451), (17, 1683248), (19, 1506064), (28, 1021972), (34, 841624), (38, 753032), (49, 583984), (56, 510986), (68, 420812), (76, 376516), (98, 291992), (112, 255493), (113, 253232), (119, 240464), (133, 215152), (136, 210406), (152, 188258), (196, 145996), (226, 126616), (238, 120232), (266, 107576), (272, 105203), (304, 94129), (323, 88592), (392, 72998), (452, 63308), (476, 60116), (532, 53788), (646, 44296), (784, 36499), (791, 36176), (833, 34352), (904, 31654), (931, 30736), (952, 30058), (1064, 26894), (1292, 22148), (1582, 18088), (1666, 17176), (1808, 15827), (1862, 15368), (1904, 15029), (1921, 14896), (2128, 13447), (2147, 13328), (2261, 12656), (2584, 11074), (3164, 9044), (3332, 8588), (3724, 7684), (3842, 7448), (4294, 6664), (4522, 6328), (5168, 5537)]