31903774

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:185

約数の個数: 64

約数和(自身を含む): 61378560

約数和(自身を除く): 29474786

約数列:

[1, 2, 7, 14, 19, 31, 38, 53, 62, 73, 106, 133, 146, 217, 266, 371, 434, 511, 589, 742, 1007, 1022, 1178, 1387, 1643, 2014, 2263, 2774, 3286, 3869, 4123, 4526, 7049, 7738, 8246, 9709, 11501, 14098, 15841, 19418, 23002, 27083, 31217, 31682, 42997, 54166, 62434, 73511, 85994, 119939, 147022, 218519, 239878, 300979, 437038, 514577, 601958, 839573, 1029154, 1679146, 2278841, 4557682, 15951887, 31903774]

約数ペア:

[(1, 31903774), (2, 15951887), (7, 4557682), (14, 2278841), (19, 1679146), (31, 1029154), (38, 839573), (53, 601958), (62, 514577), (73, 437038), (106, 300979), (133, 239878), (146, 218519), (217, 147022), (266, 119939), (371, 85994), (434, 73511), (511, 62434), (589, 54166), (742, 42997), (1007, 31682), (1022, 31217), (1178, 27083), (1387, 23002), (1643, 19418), (2014, 15841), (2263, 14098), (2774, 11501), (3286, 9709), (3869, 8246), (4123, 7738), (4526, 7049)]