277515368

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{140443}}^1$

素因数の和:140481

約数の個数: 32

約数和(自身を含む): 589864800

約数和(自身を除く): 312349432

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 140443, 280886, 561772, 1123544, 1825759, 2668417, 3651518, 5336834, 7303036, 10673668, 14606072, 21347336, 34689421, 69378842, 138757684, 277515368]

約数ペア:

[(1, 277515368), (2, 138757684), (4, 69378842), (8, 34689421), (13, 21347336), (19, 14606072), (26, 10673668), (38, 7303036), (52, 5336834), (76, 3651518), (104, 2668417), (152, 1825759), (247, 1123544), (494, 561772), (988, 280886), (1976, 140443)]