28321864

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 59875200

約数和(自身を除く): 31553336

約数列:

[1, 2, 4, 8, 17, 29, 34, 43, 58, 68, 86, 116, 136, 167, 172, 232, 334, 344, 493, 668, 731, 986, 1247, 1336, 1462, 1972, 2494, 2839, 2924, 3944, 4843, 4988, 5678, 5848, 7181, 9686, 9976, 11356, 14362, 19372, 21199, 22712, 28724, 38744, 42398, 57448, 82331, 84796, 122077, 164662, 169592, 208249, 244154, 329324, 416498, 488308, 658648, 832996, 976616, 1665992, 3540233, 7080466, 14160932, 28321864]

約数ペア:

[(1, 28321864), (2, 14160932), (4, 7080466), (8, 3540233), (17, 1665992), (29, 976616), (34, 832996), (43, 658648), (58, 488308), (68, 416498), (86, 329324), (116, 244154), (136, 208249), (167, 169592), (172, 164662), (232, 122077), (334, 84796), (344, 82331), (493, 57448), (668, 42398), (731, 38744), (986, 28724), (1247, 22712), (1336, 21199), (1462, 19372), (1972, 14362), (2494, 11356), (2839, 9976), (2924, 9686), (3944, 7181), (4843, 5848), (4988, 5678)]