13878512

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:741

約数の個数: 40

約数和(自身を含む): 28748160

約数和(自身を除く): 14869648

約数列:

[1, 2, 4, 8, 16, 19, 38, 71, 76, 142, 152, 284, 304, 568, 643, 1136, 1286, 1349, 2572, 2698, 5144, 5396, 10288, 10792, 12217, 21584, 24434, 45653, 48868, 91306, 97736, 182612, 195472, 365224, 730448, 867407, 1734814, 3469628, 6939256, 13878512]

約数ペア:

[(1, 13878512), (2, 6939256), (4, 3469628), (8, 1734814), (16, 867407), (19, 730448), (38, 365224), (71, 195472), (76, 182612), (142, 97736), (152, 91306), (284, 48868), (304, 45653), (568, 24434), (643, 21584), (1136, 12217), (1286, 10792), (1349, 10288), (2572, 5396), (2698, 5144)]