1811961452

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{563}}^1\times {\mathrm{839}}^1$

素因数の和:1550

約数の個数: 48

約数和(自身を含む): 3661217280

約数和(自身を除く): 1849255828

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 563, 839, 959, 1126, 1678, 1918, 2252, 3356, 3836, 3941, 5873, 7882, 11746, 15764, 23492, 77131, 114943, 154262, 229886, 308524, 459772, 472357, 539917, 804601, 944714, 1079834, 1609202, 1889428, 2159668, 3218404, 3306499, 6612998, 13225996, 64712909, 129425818, 258851636, 452990363, 905980726, 1811961452]

約数ペア:

[(1, 1811961452), (2, 905980726), (4, 452990363), (7, 258851636), (14, 129425818), (28, 64712909), (137, 13225996), (274, 6612998), (548, 3306499), (563, 3218404), (839, 2159668), (959, 1889428), (1126, 1609202), (1678, 1079834), (1918, 944714), (2252, 804601), (3356, 539917), (3836, 472357), (3941, 459772), (5873, 308524), (7882, 229886), (11746, 154262), (15764, 114943), (23492, 77131)]