289408

素因数分解:

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

素因数の和:57

約数の個数: 64

約数和(自身を含む): 734400

約数和(自身を除く): 444992

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 32, 34, 38, 56, 64, 68, 76, 112, 119, 128, 133, 136, 152, 224, 238, 266, 272, 304, 323, 448, 476, 532, 544, 608, 646, 896, 952, 1064, 1088, 1216, 1292, 1904, 2128, 2176, 2261, 2432, 2584, 3808, 4256, 4522, 5168, 7616, 8512, 9044, 10336, 15232, 17024, 18088, 20672, 36176, 41344, 72352, 144704, 289408]

約数ペア:

[(1, 289408), (2, 144704), (4, 72352), (7, 41344), (8, 36176), (14, 20672), (16, 18088), (17, 17024), (19, 15232), (28, 10336), (32, 9044), (34, 8512), (38, 7616), (56, 5168), (64, 4522), (68, 4256), (76, 3808), (112, 2584), (119, 2432), (128, 2261), (133, 2176), (136, 2128), (152, 1904), (224, 1292), (238, 1216), (266, 1088), (272, 1064), (304, 952), (323, 896), (448, 646), (476, 608), (532, 544)]