80988523

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 109790208

約数和(自身を除く): 28801685

約数列:

[1, 7, 11, 31, 37, 49, 77, 131, 217, 259, 341, 407, 539, 917, 1147, 1441, 1519, 1813, 2387, 2849, 4061, 4847, 6419, 8029, 10087, 12617, 16709, 19943, 28427, 33929, 44671, 53317, 56203, 70609, 88319, 150257, 198989, 237503, 312697, 373219, 618233, 1051799, 1652827, 2188879, 2612533, 7362593, 11569789, 80988523]

約数ペア:

[(1, 80988523), (7, 11569789), (11, 7362593), (31, 2612533), (37, 2188879), (49, 1652827), (77, 1051799), (131, 618233), (217, 373219), (259, 312697), (341, 237503), (407, 198989), (539, 150257), (917, 88319), (1147, 70609), (1441, 56203), (1519, 53317), (1813, 44671), (2387, 33929), (2849, 28427), (4061, 19943), (4847, 16709), (6419, 12617), (8029, 10087)]