180688739

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1283}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 236666880

約数和(自身を除く): 55978141

約数列:

[1, 7, 11, 31, 59, 77, 217, 341, 413, 649, 1283, 1829, 2387, 4543, 8981, 12803, 14113, 20119, 39773, 75697, 98791, 140833, 278411, 437503, 529879, 832667, 2346607, 3062521, 5828669, 16426249, 25812677, 180688739]

約数ペア:

[(1, 180688739), (7, 25812677), (11, 16426249), (31, 5828669), (59, 3062521), (77, 2346607), (217, 832667), (341, 529879), (413, 437503), (649, 278411), (1283, 140833), (1829, 98791), (2387, 75697), (4543, 39773), (8981, 20119), (12803, 14113)]