255798424

素因数分解:

$2^3\times 7^3\times {\mathrm{73}}^1\times {\mathrm{1277}}^1$

素因数の和:1377

約数の個数: 64

約数和(自身を含む): 567432000

約数和(自身を除く): 311633576

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 73, 98, 146, 196, 292, 343, 392, 511, 584, 686, 1022, 1277, 1372, 2044, 2554, 2744, 3577, 4088, 5108, 7154, 8939, 10216, 14308, 17878, 25039, 28616, 35756, 50078, 62573, 71512, 93221, 100156, 125146, 186442, 200312, 250292, 372884, 438011, 500584, 652547, 745768, 876022, 1305094, 1752044, 2610188, 3504088, 4567829, 5220376, 9135658, 18271316, 31974803, 36542632, 63949606, 127899212, 255798424]

約数ペア:

[(1, 255798424), (2, 127899212), (4, 63949606), (7, 36542632), (8, 31974803), (14, 18271316), (28, 9135658), (49, 5220376), (56, 4567829), (73, 3504088), (98, 2610188), (146, 1752044), (196, 1305094), (292, 876022), (343, 745768), (392, 652547), (511, 500584), (584, 438011), (686, 372884), (1022, 250292), (1277, 200312), (1372, 186442), (2044, 125146), (2554, 100156), (2744, 93221), (3577, 71512), (4088, 62573), (5108, 50078), (7154, 35756), (8939, 28616), (10216, 25039), (14308, 17878)]