161926218

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{1597}}^1$

素因数の和:1779

約数の個数: 48

約数和(自身を含む): 361966176

約数和(自身を除く): 200039958

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 131, 258, 262, 387, 393, 774, 786, 1179, 1597, 2358, 3194, 4791, 5633, 9582, 11266, 14373, 16899, 28746, 33798, 50697, 68671, 101394, 137342, 206013, 209207, 412026, 418414, 618039, 627621, 1236078, 1255242, 1882863, 3765726, 8995901, 17991802, 26987703, 53975406, 80963109, 161926218]

約数ペア:

[(1, 161926218), (2, 80963109), (3, 53975406), (6, 26987703), (9, 17991802), (18, 8995901), (43, 3765726), (86, 1882863), (129, 1255242), (131, 1236078), (258, 627621), (262, 618039), (387, 418414), (393, 412026), (774, 209207), (786, 206013), (1179, 137342), (1597, 101394), (2358, 68671), (3194, 50697), (4791, 33798), (5633, 28746), (9582, 16899), (11266, 14373)]